N68E-22 Cabinet Installation Guide(01)(PDF)-En

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N68-22 Cabinet Installation Guide

Issue 01

Date 2013-01-30

HUAWEI TECHNOLOGIES CO., LTD.



Copyright © Huawei Technologies Co., Ltd. 2013. All rights reserved.

No part of this document may be reproduced or transmitted in any form or by any means without prior writtenconsent of Huawei Technologies Co., Ltd. Trademarks and Permissions

and other Huawei trademarks are trademarks of Huawei Technologies Co., Ltd. All other trademarks and trade names mentioned in this document are the property of their respective holders. Notice

The purchased products, services and features are stipulated by the contract made between Huawei and thecustomer. All or part of the products, services and features described in this document may not be within the

purchase scope or the usage scope. Unless otherwise specified in the contract, all statements, information,and recommendations in this document are provided "AS IS" without warranties, guarantees or representationsof any kind, either express or implied.

The information in this document is subject to change without notice. Every effort has been made in thepreparation of this document to ensure accuracy of the contents, but all statements, information, andrecommendations in this document do not constitute a warranty of any kind, express or implied.

Huawei Technologies Co., Ltd. Address: Huawei Industrial Base

Bantian, LonggangShenzhen 518129People's Republic of China

Website: http://www.huawei.com

Email: [email protected]

Issue 01 (2013-01-30) Huawei Proprietary and ConfidentialCopyright © Huawei Technologies Co., Ltd.

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http://www.huawei.com/



About This Document

OverviewThis document contains information related to the installation of the N68E-22 cabinet. Theinformation consists of how to install the cabinet, accessories, external power cables, and PGNDcables, how to attach engineering labels to the power cables and PGND cables, and other reference information.

Product VersionThis document applies to all the versions of the following products: eCoordinator, BSC6910,and BSC6900.

Intended AudienceThis document is intended for installation personnel.

Organization1 Changes in the N68E-22 Cabinet Installation Guide

This chapter describes the changes in the N68E-22 Cabinet Installation Guide.

2 Overview of the N68E-22 Cabinet

The N68E-22 cabinet features a modular design. It provides sufficient space for installingdevices such as subracks to facilitate capacity expansion and maintenance. Among the main

parts of a cabinet, load-bearing parts include front and rear columns of the racks, middle columns,and door frames. Other parts cannot bear load, including mounting bars, front and rear doors,wooden plates on both sides of the cabinet, front and rear wire bushings, and guide rails.

3 Preparing for the N68E-22 Cabinet Installation

Before installing the N68E-22 cabinet, you need to unpack the cases and check the items in thecases. Ensure that all the tools required for the installation are available.

4 Installing the N68E-22 Cabinet

N68-22 Cabinet Installation Guide About This Document


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Installing the N68E-22 cabinet involves installing the cabinet and the accessories. It also involvesattaching engineering labels to the cabinet.

5 Installing the N68E-22 Cabinet on the Concrete Floor

This chapter describes how to install the N68E-22 cabinet on the concrete floor.

6 Installing the N68E-22 Cabinet on the ESD Floor

This chapter describes how to install the N68E-22 cabinet on the ESD floor by using the N6Xseries support assembly.

7 Installing the Accessories for the N68E-22 Cabinet

This chapter describes how to install the front and back doors as well as side panels for the N68E-22 cabinet. This chapter also describes how to install the PGND cables for the doors andside panels.

8 Attaching the Engineering Labels to the Cabinets

This chapter describes how to attach the engineering labels, including row and column labels,to the cabinets.

9 Cabinet Installation Record

The hardware installation record is used to record the hardware installation information.

10 Checklist for the Cabinet Installation

This chapter describes the items and specifications for checking the cabinet installation.

11 Exploded View of the N68E-22 Cabinet

This section describes the components of the N68E-22 cabinet and the cabinet details, whichare indicated in the exploded view.

ConventionsSymbol Con ventions

The symbols that may be found in this document are defined as follows.

Symbol Description

Indicates a hazard with a high level or medium level of risk which, if not avoided, could result in death or serious injury.

Indicates a hazard with a low level of risk which, if notavoided, could result in minor or moderate injury.

Indicates a potentially hazardous situation that, if notavoided, could result in equipment damage, data loss,

performance deterioration, or unanticipated results.

Indicates a tip that may help you solve a problem or savetime.



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Symbol Description

Provides additional information to emphasize or supplementimportant points of the main text.

General Conventions

The general conventions that may be found in this document are defined as follows.

Convention Description

Times New Roman Normal paragraphs are in Times New Roman.

Boldface Names of files, directories, folders, and users are inboldface . For example, log in as user root .

Italic Book titles are in italics .

Courier New Examples of information displayed on the screen are inCourier New.

Command Conventions

The command conventions that may be found in this document are defined as follows.


Boldface The keywords of a command line are in boldface .

Italic Command arguments are in italics .

[ ] Items (keywords or arguments) in brackets [ ] are optional.

{ x | y | ... } Optional items are grouped in braces and separated byvertical bars. One item is selected.

[ x | y | ... ] Optional items are grouped in brackets and separated byvertical bars. One item is selected or no item is selected.

{ x | y | ... } * Optional items are grouped in braces and separated byvertical bars. A minimum of one item or a maximum of allitems can be selected.

[ x | y | ... ] * Optional items are grouped in brackets and separated byvertical bars. Several items or no item can be selected.

GUI Conventions

The GUI conventions that may be found in this document are defined as follows.



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Boldface Buttons, menus, parameters, tabs, window, and dialog titlesare in boldface . For example, click OK .

> Multi-level menus are in boldface and separated by the ">"signs. For example, choose File > Create > Folder .

Keyboard Operations

The keyboard operations that may be found in this document are defined as follows.

Format Description

Key Press the key. For example, press Enter and press Tab .

Key 1 +Key 2 Press the keys concurrently. For example, pressing Ctrl +Alt+A means the three keys should be pressed concurrently.

Key 1 , Key 2 Press the keys in turn. For example, pressing Alt , A meansthe two keys should be pressed in turn.

Mouse Operations

The mouse operations that may be found in this document are defined as follows.

Action Description

Click Select and release the primary mouse button without movingthe pointer.

Double-click Press the primary mouse button twice continuously andquickly without moving the pointer.

Drag Press and hold the primary mouse button and move the pointer to a certain position.



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Contents

About This Doc ument.....................................................................................................................ii

1 Changes in the N68E-22 Cabinet Installation Guide..............................................................1

2 Overview of t he N68E-22 Cabinet..............................................................................................2

3 Preparing for the N68E-22 Cabinet Installation......................................................................63.1 Unpackin g the Cases and Checking the Items....................................................................................................7

3.2 Tools Required for Installing the N68E-22 Cabinet.........................................................................................13

4 Installing the N68E-22 Cabinet.................................................................................................14

5 Installing the N68E-22 Cabinet on the Concrete Floor.........................................................155.1 Materials for Installing the N68E-22 Cabinet on the Concrete Floor..............................................................16

5.2 Template Files for Installing the N68E-22 Cabinet..........................................................................................16

5.3 Po sitioning the N68E-22 Cabinet on the Concrete Floor.................................................................................18

5.4 Securing t he N68E-22 Cabinet on the Concrete Floor.....................................................................................235.5 Testing th e Insulation of the N68E-22 Cabinet................................................................................................26

5.6 Combinin g the N68E-22 Cabinets....................................................................................................................27

6 Installing the N68E-22 Cabinet on the ESD Floor.................................................................336.1 Materials for Installing the N68E-22 Cabinet on the ESD Floor.....................................................................35

6.2 Template Files for Installing the N68E-22 Cabinet..........................................................................................35

6.3 N6 X Series Support Assembly.........................................................................................................................37

6.4 Po sitioning the N68E-22 Cabinet on the ESD Floor........................................................................................39

6.5 Installing the N6X Series Support and the Guide Rails...................................................................................44

6.6 Securing the N68E-22 Cabinet on the ESD Floor............................................................................................486.7 Testing the Insulation of the N68E-22 Cabinet................................................................................................51

6.8 Combining the N68E-22 Cabinets....................................................................................................................52

6.9 Pla cing the ESD Floor in the Original Position................................................................................................57

7 Installin g the Accessories for the N68E-22 Cabinet..............................................................607.1 Ac cessories to Be Installed for the N68E-22 Cabinet......................................................................................62

7.2 Installing the Side Panels for the N68E-22 Cabinet.........................................................................................62

7.3 Installing the Front and Rear doors for the N68E-22 Cabinet..........................................................................64

7.4 Installing the PGND Cables for the Doors of the N68E-22 Cabinet................................................................65

8 Attaching the Engineering Labels to the Cabinets...............................................................67

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9 Cabinet Installation Record.......................................................................................................69

10 Checklist for the Cabinet Installation...................................................................................71

11 Exploded View of the N68E-22 Cabinet................................................................................73

N68-22 Cabinet Installation Guide Contents


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1 Changes in the N68E-22 Cabinet InstallationGuide

This chapter describes the changes in the N68E-22 Cabinet Installation Guide.

01 (2013-01-30)Compared with Draft A (2012-07-23), this issue includes the new topic:

l Hardware Installation Recordl Exploded View of the N68E-22 Cabinet

Compared with Draft A (2012-07-23), this issue does not incorporate any changes.

Compared with Draft A (2012-07-23), this issue does not exclude any topics.

Since N68E-22 cabinets remain the same despite different versions and modes, the names of different versions and modes are changed into N68E-22 Cabinet Installation Guide , and thedocumentation version is upgraded to 01. This document applies to all the versions of thefollowing products: eCoordinator, BSC6910 and BSC6900 .

Draft A (2012-07-23)

This is the Draft A release of V100R014C00.

N68-22 Cabinet Installation Guide 1 Changes in the N68E-22 Cabinet Installation Guide


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2 Overview of the N68E-22 Cabinet

The N68E-22 cabinet features a modular design. It provides sufficient space for installingdevices such as subracks to facilitate capacity expansion and maintenance. Among the main

parts of a cabinet, load-bearing parts include front and rear columns of the racks, middle columns,and door frames. Other parts cannot bear load, including mounting bars, front and rear doors,wooden plates on both sides of the cabinet, front and rear wire bushings, and guide rails.

Appearance of the N68E-22 CabinetThe color of the N68E-22 cabinet surface is purple and gray. N68E-22 cabinets are classifiedinto single-door cabinets and double-door cabinets. Figure 2-1 shows the appearance of a single-door N68E-22 cabinet. Figure 2-2 shows the appearance of a double-door N68E-22 cabinet.

NOTE

BSC6910 series cabinets support only the double-door mode and BSC6900 series cabinets support boththe single-door and double-door modes.

N68-22 Cabinet Installation Guide 2 Overview of the N68E-22 Cabinet


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Figure 2-1 Appearance of the single-door N68E-22 cabinet



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Figure 2-2 Appearance of the double-door N68E-22 cabinet

Technical Specifications of the N68E-22 CabinetTable 2-1 describes the technical specifications of the N68E-22 cabinet.

Table 2-1 Technical specifications of the N68E-22 cabinet

Item Value

Dimension (H x W x D) 2,200 mm (height) x 600 mm (width) x 800 mm(depth)

Height of the available space 46 U

Weight l Rack: ≤ 59 kg;l Empty cabinet: ≤ 100 kg;l The weight of a BSC6900 cabinet in full

configuration is less than or equal to 320 kg.The weight of a BSC6910 cabinet in fullconfiguration is less than or equal to 400 kg.

Power supply Per subrack four routes of -48 V DC power supply



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Item Value

EMC l Meets the requirements of ETSI EN300 386l Meets the requirements of Council directive

89/336/EEC



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3 Preparing for the N68E-22 CabinetInstallation

About This Chapter

Before installing the N68E-22 cabinet, you need to unpack the cases and check the items in thecases. Ensure that all the tools required for the installation are available.

3.1 Unpacking the Cases and Checking the ItemsThis section describes how to unpack the cases and check the items in the cases to facilitatesubsequent cabinet installation.

3.2 Tools Re quired for Installing the N68E-22 CabinetThe tools req uired for installing the N68E-22 cabinet are tools for measuring, marking, drilling,and fastening , small tools, auxiliary tools, meters, and some special tools.

N68-22 Cabinet Installation Guide 3 Preparing for the N68E-22 Cabinet Installation


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3.1 Unpacking the Cases and Checking the Items

This section describes how to unpack the cases and check the items in the cases to facilitatesubsequent cabinet installation.

Prerequisitesl Site preparation for the install ation is co mplete.l The cases that contain the cabinets and components are delivered to the site.

Contextl When carrying or placing the equipment, you should ensure that it does not collide with

doors, walls, shelves, or other objects.l When transporting or installing the equipment, components, or parts, you should avoid

touching their uncoated metal surfaces with sweaty or dirty gloves.

Procedure

Step 1 Unload the cases.

CAUTION

When unloading the cases, you should place the cases in sequence. Ensure that the labels on thecases face the same direction.

Step 2 Check whether the number of cases on site matches the Packing List and whether the place of delivery is the same as the actual installation place.

If... Then...

The number of cases on site matches that in the Packing List Go to Step 3 .

The number of cases on site does not match that in the Packing List Go to Step 4 .

Step 3 Check the shockwatch labels on both sides of each case to determine whether each case has beenhit.

If... Then...

Both labels on a case are transparent, asshown by part 1 in Figure 3-1

The case has not been hit. Go to Step 5 .



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If... Then...

Any label on a case becomes red, as shownby part 2 in Figure 3-1

The case has been hit by a force greater than50 g ( g is the standard gravity) duringtransportation. Such hit damages the cabinet or

boards in the case. To handle this problem, goto Step 4 .

Figure 3-1 Shockwatch label

Step 4 Stop unpacking the cases. Ask the project supervisor to send the Cargo Problems Report that issigned by the customer to the local Huawei office within three days.

Step 5 Check whether the cases are intact.

If... Then...

Any case is seriously damaged or soaked Go to Step 6 .

The cases are intact Go to Step 7 .

Step 6 Stop unpacking the cases, find out the causes, and contact the local Huawei office to further handle the problem.

CAUTION

To protect the equipment and find out the causes, perform the following actions: Move theunpacked equipment indoors for proper storage, take photos of the storage environment, therusted or corroded equipment, packing cases, and packing materials. Keep these photos for future

verification. Store the packing cases and materials properly.



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Step 7 Unpack the wooden cases.

CAUTION

l Before unpacking, move the wooden cases into or close to the equipment room if enoughspace is availa ble. This prevents damage to the cabinets during the transportation.

l When you unpack the wooden cases , unpack the one containing the packing list first. Then,you can find items rapidly according to the names, codes, positions, and quantities in thePacking List.

l The following description takes the wooden case that contains the cabinet as an example.The methods of unpacking other types of wooden cases are similar.

1. Place the wooden case on the ground. Ensure that the side with the wooden frame faces the bottom.

2. Use a wrench, a flat-head screwdriver, or a claw hammer to straighten the tongues on thefour sides of the cover, as shown in Figure 3-2 .

Figure 3-2 Straightening the tongue

3. Remove the cover. If the wooden case contains a carton, take out the carton and then openit according to Step 8 . If the wooden case contains a cabinet, go to the next step. See Figure

3-3 .



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Figure 3-3 Removing the cover

4. Use the same method to remove the side boards from the wooden case, as shown in Figure3-4 .

Figure 3-4 Removing side boards

5. Erect the cabinet with the BOTTOM side down.



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CAUTION

This operation needs three to five installers. Prevent the cabinet from falling during the

erection to avoid personnel injury.

6. Remove the bottom of the case, that is, the side with the wooden frame.

7. Remove the packing foam from the corners and edges of the cabinet.

8. Remove the vacuum plastic bag.

Step 8 Unpack the carton, as shown in Figure 3-5 .

Figure 3-5 Unpacking a carton

1 Carton label 2 Strap 3 Pressure-sensitive tape

4 Foam plate 5 Board label 6 Board

1. Check the types and quantities of the items in the carton according to the carton label.

2. Use diagonal pliers to cut the straps.

3. Rip the tape along the joint seams by using the paper knife. Do not insert the knife too deep,or else the items may be damaged.

4. Unpack the carton and take out the items.

Step 9 Unpack boards.

CAUTION

l Electronic components are extremely sensitive to static electricity. When unpacking the boards, wear an ESD wrist strap or a pair of ESD gloves properly.

l The ESD bag contains desiccant to keep the bag dry. When taking the board from a cold dry place to a hot damp place, wait at least 30 minutes before unpacking. Otherwise, moisturecondensed on the board surface may damage the board.

1. Check that no evident damage is on the board packages.

2. Open the packages and ensure that the boards are in good condition. For any board problem,contact the order management engineer at the local Huawei office.



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Step 10 Check whether the unpacked boards need to be installed immediately, and then proceedaccordingly.

If... Then...

The unpacked boards need to be installedimmediately

Place the boards on an ESD surface anddischarge the static electricity.

The unpacked boards need not be installedimmediately

Pack the boards with the original materials and place them in a cool dry place away from directsunlight or strong electromagnetic radiation.

Step 11 Check the items. Check the items one by one according to the names, types, and quantitiesdescribed in the Packing List .The acceptance of items covers the following aspects:l Appearance: Check whether there is any visible defect, looseness, distortion, or damage;

check whether the labels are legible and whether the nameplates and decorating plates areavailable and meet the requirements.

l Integrity: Ensure that all the parts and accessories required for the installation of cabinets areavailable.

l Computer: Check whether the monitor, keyboard, and mouse are intact and in good condition.l Board: Ensure that the type and quantity of the boards are consistent with those in the Packing

List . Ensure that no printed circuit board is broken and no component is detached from the board.

NOTE

The project supervisor should take the major role in the inspection of equipment and components whoseelectric characteristics are likely to have been affected.

If... Then...

The packing list indicates "shortage of articles"

Inform the order management engineer at thelocal office. Then, sign the Packing List together with the customer.

There are any short, wrong, extra, ordamaged items

Representatives of Huawei and the customer must sign the Unpacking Inspection Memo and

Packing List . The installation supervisor must fillin the Cargo Problems Report and inform theorder management engineer at the local office inthree days. The installation supervisor must keepthe problematic items intact and the inner andouter packing intact for future investigation andverification.

The shipment is intact Place the inspected items by type. Then,representatives of Huawei and the customer signthe Packing List .

----End



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3.2 Tools Required for Installing the N68E-22 Cabinet

The tools required for installing the N68E-22 cabinet are tools for measuring, marking, drilling,and fastening, small tools, auxiliary tools, meters, and some special tools.

Common Tools

Table 3-1 lists the common tools required for installing the N68E-22 cabinet.

Table 3-1 Common tools required for installing the N68E-22 cabinet

Type Tool

Measuring tools Long tape, 50 m ribbon tape, 5 m tape measure, 400 mm level bar, andlevel instrument

Marking tools Marking pen and pencil

Drilling tools Percussion drill with matching bits of Ф6, Ф8, Ф10, Ф12, Ф14, and Ф16,and vacuum cleaner

Fastening tools Flat-head screwdrivers (M3 to M6)

Phillips screwdrivers (M3 to M6)

Adjustable wrench

Socket wrenches (M6, M8, M10, M12, M14, M17, M19)

Double offset ring wrenches (M6, M8, M10, M12, M14, M17, M19)Combination wrenches (M17 and M19)

Long-arm wrench

Small tools Sharp-nose pliers, diagonal pliers, pliers, hand-held electric drill, file,handsaw, crowbar, rubber hammer, and claw hammer

Auxiliary tools Paper knife, bellows, plumb, fork, ladder, heat gun, and PVC insulationtape

Special Tools

The special tools required for installing the N68E-22 cabinet are the earth resistance meter, ESDwrist strap, ESD gloves, cable peeler, safety knife, and multi-purpose crimping pliers.

Meters

The meters required for installing the N68E-22 cabinet are the multimeter and 500 Vmegohmmeter (for testing insulation resistance).

NOTE

The meters must be checked and certified.



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4 Installing the N68E-22 Cabinet

Installing the N68E-22 cabinet invol ves installing the cabinet and the accessories. It also involvesattaching engineering labels to the cabinet.

Prerequisitesl The equipment is unpacked and accepted.l The cabinet is delivered to the site.l The tools required for the installation are available.

Procedure

Step 1 Install the N68E-22 cabinet.

If... Then...

You install the N68E-22 cabinet on an ESDfloor,

See Installing the N68E-22 Cabinet on theESD Floor.

You install the N68E-22 cabinet on aconcrete floor,

See Installing the N68E-22 Cabinet on theConcrete Floor.

You install the N68E-22 cabinet on other

types of floors,

Contact Huawei for technical support.

Step 2 Install the accessories for the N68E-22 cabinet by referring to 7 Installing the Accessories forthe N68E-22 Cabinet .

Step 3 Attach the engineering labels to the cabinet by referring to Attaching the Engineering Labels tothe Cabinets.

----End

N68-22 Cabinet Installation Guide 4 Installing the N68E-22 Cabinet


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5 Inst alling the N68E-22 Cabinet on theConcrete Floor

About This Chap ter

This chapter describes how to install the N68E-22 cabinet on the concrete floor.

5.1 Materials for Installing the N68E-22 Cabinet on the Concrete Floor The N68E-22 cabinet can be directly installed on the concrete floor, so other types of materialsare not requir ed. Ensure that you have arranged sufficient N68E-22 cabinets as required.

5.2 Template Files for Installing the N68E-22 Cabinet

The template files for installing the N68E-22 cabinet consist of the equipment room floor planand the mark ing template. The equipment room floor plan is used to determine the installation position of th e N68E-22 cabinet in the equipment room. The marking template is used todetermine the drilling positions. The installation of the N68E-22 cabinet on a concrete floor andthat of the N6 8E-22 cabinet on an ESD floor use the same equipment r oom floor plan but differentmarking templates. Combining the adjacent N68E-22 Cabinets is recommended, and the SFP+High-Speed Cables can be installed when the length of the cables is not long enough.

5.3 Positionin g the N68E-22 Cabinet on the Concrete Floor Positioning the N68E-22 cabinet on the concrete floor involves the following steps: determiningcabinet positions, marking the positions, drilling holes, and installing expansion bolt assemblies.

5.4 Securing the N68E-22 Cabinet on the Concrete Floor This section describes how to secure the N68E-22 cabinet on the concrete floor.

5.5 Testing the Insulation of the N68E-22 CabinetThis section describes how to test the insulation of the N68E-22 cabinet and how to insulate itfrom the ground.

5.6 Combining the N68E-22 CabinetsThis section describes how to combine the N68E-22 cabinets. When combining an N68E-22cabinet with another cabinet, you should use connecting pieces to secure them. The combiningof N68E-22 cabinets can be classified into the following: combining of two N68E-22 cabinetsand combining of N68E-22 and N68-22 cabinets.

N68-22 Cabinet Installation Guide 5 Installing the N68E-22 Cabinet on the Concrete Floor


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5.1 Materials for Installing the N68E-22 Cabinet on theConcrete Floor

The N68E-22 cabinet can be directly installed on the concrete floor, so other types of materialsare not required. Ensure that you have arranged sufficient N68E-22 cabinets as required.

5.2 Template Files for Installing the N68E-22 CabinetThe template files for installing the N68E-22 cabinet consist of the equipment room floor planand the marking template. The equipment room floor plan is used to determine the installation

position of the N68E-22 cabinet in the equipment room. The marking template is used todetermine the drilling positions. The installation of the N68E-22 cabinet on a concrete floor and

that of the N68E-22 cabinet on an ESD floor use the same equipment room floor plan but differentmarking templates. Combining the adjacent N68E-22 Cabinets is recommended, and the SFP+High-Speed Cables can be installed when the length of the cables is not long enough.

Equipment Room Floor Plan

The Equipment Room Floor Plan is provided by the customer or the site survey personnel.Figure 5-1 shows an example of the Equipment Room Floor Plan .



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Figure 5-1 Equipment room floor plan (unit: mm)

NOTE

See Figure 5-1 . The requirements for the installation position of the N68E-22 cabinet are as follows:l The distance between two rows of cabinets should be at least 1,000 mm.l The distance between the wall and the cabinet side that is the closest to the wall should be at least

800 mm.l The distance between the wall and the row that is the closest to the wall should be at least 800 mm

(for double-door cabinets) and 1,000 mm (for single-door cabinets).l The width of the aisles in the equipment room should be at least 1,000 mm.

Marking Template

The marking template is delivered with the cabinet. The marking template for installing the N68E-22 cabinet on the concrete floor is different from the marking template for installing the N68E-22 cabinet on the ESD floor. See Figure 5-2 and Figure 5-3 .



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Figure 5-2 Marking template for installing the N68E-22 cabinet on the concrete floor (unit: mm)

Figure 5-3 Marking template for installing the N68E-22 cabinet on the ESD floor (unit: mm)

5.3 Positioning the N68E-22 Cabinet on the Concrete FloorPositioning the N68E-22 cabinet on the concrete floor involves the following steps: determiningcabinet positions, marking the positions, drilling holes, and installing expansion bolt assemblies.

Prerequisitesl The components required for the positioning are available. The required component is the

M12x60 expansion bolt assembly.l The materials required for the positioning are available. The required materials are the

marking template and Equipment Room Floor Plan .l The tools required for the positioning are available. The required tools are the tape measure,

marker, hammer drill with Ф16 drill bit, vacuum cleaner, and hammer (for example, clawhammer).



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Contextl Line drawing and hole drilling are the primary tasks for cabinet installation as imprecise

drawing or drilling may hamper the installation. Therefore, it is important to ensure their quality.

l Before marking cabinet positions and drilling holes, check the installation position of theequipment, such as cable racks, in the equipment room for easy cabling.

l The Equipment Room Floor Plan is provided by the customer or the site survey personnel.

Procedure

Step 1 Ensure that the Equipment Room Floor Plan is in accordance with the requirements for installingthe N68E-22 cabinet by referrin g to Template Files for Installing the N68E-22 Cabinet.

Step 2 Use a tape measure to determine the cabinet positions based on the dimensions specified in the Equipment Room Floor Plan .

Step 3 Determine the positions of the holes for the expansion bolt assemblies on the concrete floor based on the installation position of the cabinet.You can use the marking template or tape measure to determine the positions of the holes for the expansion bolt assemblies on the concrete floor. The marking template is made of paper andis prone to deformation. Before using the marking template, check whether it is deformed basedon the dimensions of marking template specified in Template Files for Installing the N68E-22Cabinet.

If... Then...

The marking template is one of the accessories delivered on site and is notdeformed,

Go to Step 4 .

The marking template is not one of the accessories delivered on site or isdeformed,

Go to Step 5 .

Step 4 Use the marking plate to determine the positions of the holes for the expansion bolt assemblies.

1. As shown in Figure 5-4 or Figure 5-5 , use measuring and marking instruments to measureand mark the start points for the front of a row of cabinets. From each start point, mark the

benchmark lines in the cabinet arrangement direction.

2. Place the marking template on the floor. Ensure that the semicircle notch of the template

indicates the front of the cabinet and the edges of the template align with the benchmark lines.

3. Mark the positions of the holes (four holes for each cabinet) for expansion bolts on the floor by using the template.

4. After all the hole positions are marked, ensure that the distance between the holes isaccurate.

5. Go to Step 6 .

Step 5 If the marking template cannot be used on site, use the tape measure to determine the positionsof the holes for the expansion bolt assemblies.

1. As shown in Figure 5-4 or Figure 5-5 , use measuring and marking instruments to measure

and mark two straight lines with 687 mm wide spacing, and ensure that the lines are parallelwith the front of the cabinet.



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Figure 5-4 Installation holes for one cabinet (unit: mm)

Figure 5-5 Installation holes for a row of cabinets (unit: mm)

2. As shown in Figure 5-4 or Figure 5-5 , determine the position of hole for the first expansion bolt assembly on each of the straight lines. Taking the hole as the benchmark point, mark

the installation holes for other expansion bolt assemblies in succession.3. After all the hole positions are marked, ensure that the distance between the holes is

accurate.

Step 6 Drill the holes.



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CAUTION

l The concrete floor should not be penetrated. Therefore, you should confirm the thickness of

the concrete floor before drilling holes. For some types of concrete floors on which the drillingis not suitable, you should consult the architectural engineers and get their permission beforedrilling holes.

l Before drilling holes, you should take dustproof measures on the electronic equipment in theequipment room. You should use a vacuum cleaner to remove the dust during the drilling.Before removing the dustproof cover from the electronic equipment, you should clean up the

pieces of concrete that have accumulated during the drilling.l You must wear safety goggles during the drilling to protect your eyes from the dust.l While drilling holes, you must hold the drill stock firmly. You must keep the drill bit vertical

to the floor to protect the floor from being damaged or the holes from being slanted.

1. Dig a pit by using a chisel to help hold the drill bit to the floor, as shown in Figure 5-6 .

Figure 5-6 Digging a pit

2. Use a hammer drill to drill holes at the marked places on the concrete floor. The depth of each hole must range from 52 mm to 60 mm. All the holes must have the same depth. Selecta Ф16 drill bit in appropriate length. See Figure 5-7 .

Figure 5-7 Drilling a hole



21



3. Ensure that the depth of each hole ranges from 52 mm to 60 mm and that the holes are notslanting. If the depth of the hole is not appropriate or if the hole is slanting, re-drill the hole.If the slanting hole cannot be corrected, stop using the hole.

4. Remove the dust inside and outside the holes by using a vacuum cleaner.

Step 7 Install the expansion bolt assemblies.

Figure 5-8 shows an expansion bolt assembly.

Figure 5-8 Expansion bolt assembly

1 Bolt 2 Spring washer 3 Flat washer 4 Expansion tube

5 Nut 6 Guiding slot 7 Guiding rib

1. Measure the distance between the holes. If the distance does not meet the specifications,reposition and drill new holes.

2. Insert the guiding rib on the nut into the guiding slot on the expansion tube, and then screwthe bolt slightly to ensure that the guiding rib does not move out from the guiding slot. See

part 1 of Figure 5-9 .

3. Insert the expansion tube and the nut into the hole vertically, and then use a rubber hammer to strike the expansion tube until it is completely buried in the hole, as shown in part 2 of Figure 5-9 .

Figure 5-9 Installing the expansion bolt assembly (1)



22



4. Pre-tighten the expansion bolt clockwise so that the nut and the expansion tube do not getloose easily. See part 1 of Figure 5-10 .

5. Unscrew the expansion bolt counterclockwise and then remove the spring washer and flatwasher. Keep them for future use. See part 2 of Figure 5-10 .


----End

5.4 Securing the N68E-22 Cabinet on the Concrete FloorThis section describes how to secure the N68E-22 cabinet on the concrete floor.

Prerequisitesl The components required for the installation are available. The required component is the

N68E-22 cabinet.l The materials required for the installation are available. The required materials are the

insulating pads, flat washers 12, spring washers 12, adjusting pads (optional), and M12x60expansion bolt assemblies.

l The tools required for the installation are available. The required tools are the pallet truck,level bar, torque wrench, socket wrench, and Phillips screwdriver.

Context

CAUTION

The gravity center of the cabinet is high. Therefore, do not lift or push the cabinet alone. Movinga cabinet requires at least two persons and a pallet truck, so as to ensure personnel safety and

equipment safety.



23



Procedure

Step 1 Remove the wooden protection boards from the front and back of the cabinet.

Step 2 Remove the four wooden protection boards from both the left and right parts of the rack. Pulldown the hook pin at the upper part of both the front and back doors of the cabinet, and thenremove both doors. Store the doors for future use. See Figure 5-11 .

Figure 5-11 Removing the wooden protection boards

NOTE

When storing the doors, you should ensure that they are unlocked. Therefore, the lock rod at the lower partof each door does not protrude, thus preventing the lock rod from deformation. See Figure 5-12 .

Figure 5-12 State of the lock of each door



24



Step 3 Remove the reinforced plate from both sides of the cabinet.

Step 4 Place the cabinet in the specified position. Align the installation holes in the cabinet with the

holes on the floor.Step 5 Add the spring washer, flat washer, and insulating tube to each of the four expansion bolts. Then,

insert each expansion bolt into the expansion tube and pretighten the expansion tube and the nut.See Figure 5-13 .

Step 6 Below the cabinet, push two insulating spacers from both the front and back sides. Ensure thatthe notch faces the inner side and is wedged in the expansion bolt. Align the installation holesof each insulating spacer with the corresponding expansion bolt holes. See Figure 5-13 .

Figure 5-13 Securing the cabinet

1 M12x60 bolt 2 Spring washer 12 3 Flat washer 4 Insulating tube 5 Insulating spacer

Step 7 Using M12 socket wrench to level the cabinet. Use a level bar to check the levelness of thecabinet. If the cabinet is not level, use a socket wrench to adjust the anchor bolt (adjustable range:0-10 mm) of the cabinet and ensure that the cabinet is level. See Figure 5-14 .



25



Figure 5-14 Leveling the cabinet

1 Anchor bolt 2 Fixing bolt

Step 8 Use the torque wrench to secure the four fixing bolts and tighten them to 45 N•m.

----End


PrerequisitesThe tool required for the insulation test is available. The required tool is the multimeter.

Procedure

Step 1 Set the multimeter to the megohm scale.

Step 2 Measure the resistance between the M12x60 expansion bolt and the cabinet.

If... Then...

The resistance is greater than or equal tofive megohms,

Test completes.

The resistance is smaller than fivemegohms,

The cabinet is not insulated from the ground.Go to Step 3 .



26



Figure 5-15 Insulation test

Step 3 Remove all the installation parts between the N68E-22 cabinet and the ground.

Step 4 Ensure that the insulation parts are not missing or damaged.

Step 5 Secure the cabinet again.

Step 6 Repeat Step 1 to test the insulation again.

----End

5.6 Combining the N68E-22 Cabinets

This section describes how to combine the N68E-22 cabinets. When combining an N68E-22cabinet with another cabinet, you should use connecting pieces to secure them. The combining



27



of N68E-22 cabinets can be classified into the following: combining of two N68E-22 cabinetsand combining of N68E-22 and N68-22 cabinets.

PrerequisitesThe tools required for the installation are available. The required tools are the wrench andclimbing ladder.

Context

If two N68E-22 cabinets are to be combined, the connecting pieces are already installed on topof the cabinets and are delivered with the cabinets. If N68E-22 and N68-22 cabinets are to becombined, special connecting pieces for combining cabinets are required. Figure 5-16 showsthe special connecting pieces for combining cabinets.

Figure 5-16 Special connecting pieces for combining cabinets

Procedurel Combining Two N68E-22 Cabinets

1. Remove the connecting pieces from the column inside the N68E-22 cabinet, rotateeach of them by 180 degrees, and then reinstall them, as shown in Figure 5-17 .



28



Figure 5-17 Reinstalling the connecting piece between N68E-22 cabinets

2. Use M8x30 bolts to connect the connecting pieces of the adjacent cabinets together.See part 1 of Figure 5-18 .



29



Figure 5-18 Combining two N68E-22 cabinets

3. Remove the two connecting pieces from the front and back doorheads of the adjacentcabinets. Then, reinstall the connecting pieces, as shown in part 2 of Figure 5-18 .

4. At the bottom of the combined cabinets and in front of the column, use a level bar tocheck whether the horizontal and vertical deviations of the row of cabinets meet the

specifications, as shown in Figure 5-19 . If the cabinet is not level, use a socket wrenchto adjust the leveling foot.



30



Figure 5-19 Using a level bar to check the horizontal and vertical deviations

l Combining N68E-22 and N68-22 Cabinets


2. Remove the connecting piece from the middle top of the N68-22 cabinet, as shown in part 1 of Figure 5-20 . Keep the removed M6x16 screws for future use.



31



Figure 5-20 Combining N68E-22 and N68-22 cabinets

3. Fix the special connecting pieces to the N68-22 cabinet, as shown in part 1 of Figure5-20 .

4. Use M8x30 bolts to fix the special connecting pieces of the N68-22 cabinet and theconnecting pieces at the column in the N68E-22 cabinet, as shown in part 1 of Figure5-20 .


6. At the bottom of the combined cabinets and in front of the column, use a level bar tocheck whether the horizontal and vertical deviations of the row of cabinets meet thespecifications. If the cabinet is not level, use a socket wrench to adjust the levelingfoot of the N68E-22 cabinet.

----End



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6 Installin g the N68E-22 Cabinet on the ESDFloor

About This Chap ter

This chapter describes how to install the N68E-22 cabinet on the ESD floor by using the N6Xseries suppor t assembly.

6.1 Materials for Installing the N68E-22 Cabinet on the ESD Floor The materials for installing the N68E-22 cabinet on the ESD floor consist of the N68E-22 cabinetand N6X seri es support assembly.

6.2 Template Files for Installing the N68E-22 CabinetThe template files for installing the N68E-22 cabinet consist of the equipment room floor planand the mark ing template. The equipment room floor plan is used to determine the installation

position of th e N68E-22 cabinet in the equipment room. The markin g template is used todetermine the drilling positions. The installation of the N68E-22 cabinet on a concrete floor andthat of the N6 8E-22 cabinet on an ESD floor use the same equipment room floor plan but differentmarking temp lates. Combining the adjacent N68E-22 Cabinets is recommended, and the SFP+High-Speed Cables can be installed when the length of the cables is not long eno ugh.

6.3 N6X Series Support AssemblyThe N6X series support assembly consists of N6X series support, guide rail, and front pallet.To support and secure the cabinet, you need to use bolts to fix the guide rail, support, and cabinettogether and use the front pallet to support the ESD floor before and after the cabinet.

6.4 Positioning the N68E-22 Cabinet on the ESD Floor Positioning the N68E-22 cabinet on the ESD floor involves the following steps: determiningcabinet positions, marking the positions, drilling holes, and installing expansion bolt assemblies.

6.5 Installing the N6X Series Support and the Guide RailsThis section describes how to install the N6X series support and the guide rails.

6.6 Securing the N68E-22 Cabinet on the ESD Floor Upon delivery, the N68E-22 cabinet is equipped with the front and back doors. Therefore, youshould remove the doors first and then secure the cabinet on the N6X series support.

6.7 Testing the Insulation of the N68E-22 Cabinet

This section describes how to test the insulation of the N68E-22 cabinet and how to insulate itfrom the ground.

N68-22 Cabinet Installation Guide 6 Installing the N68E-22 Cabinet on the ESD Floor


33



6.8 Combining the N68E-22 CabinetsThis section describes how to combine the N68E-22 cabinets. When combining an N68E-22cabinet with another cabinet, you should use connecting pieces to secure them. The combiningof N68E-22 cabinets can be classified into the following: combining of two N68E-22 cabinetsand combining of N68E-22 and N68-22 cabinets.

6.9 Placing the ESD Floor in the Original PositionAfter securing the N68E-22 cabinet on the ESD floor, you need to install the front pallet tosupport the ESD floor around the cabinet and place the ESD floor around the cabinet in theoriginal position.



34



6.1 Materials for Installing the N68E-22 Cabinet on the ESDFloor

The materials for installing the N68E-22 cabinet on the ESD floor consist of the N68E-22 cabinetand N6X series support assembly.

Table 6-1 lists the materials required for installing the N68E-22 cabinet on the ESD floor.

Table 6-1 Materials required for installing the N68E-22 cabinet on the ESD floor

Name Sub-Item Quantity

N68E-22 cabinet - Depends on the siterequirements

N6X series support assembly Support Twice the number of cabinets

Guide rail Twice the number of cabinets

Front pallet Twice the number of cabinets

6.2 Template Files for Installing the N68E-22 CabinetThe template files for installing the N68E-22 cabinet consist of the equipment room floor planand the marking template. The equipment room floor plan is used to determine the installation

position of the N68E-22 cabinet in the equipment room. The marking template is used todetermine the drilling positions. The installation of the N68E-22 cabinet on a concrete floor andthat of the N68E-22 cabinet on an ESD floor use the same equipment room floor plan but differentmarking templates. Combining the adjacent N68E-22 Cabinets is recommended, and the SFP+High-Speed Cables can be installed when the length of the cables is not long enough.

Equipment Room Floor PlanThe Equipment Room Floor Plan is provided by the customer or the site survey personnel.Figure 6-1 shows an example of the Equipment Room Floor Plan .



35



Figure 6-1 Equipment room floor plan (unit: mm)

NOTE

See Figure 6-1 . The requirements for the installation position of the N68E-22 cabinet are as follows:

l The distance between two rows of cabinets should be at least 1,000 mm.

l The distance between the wall and the cabinet side that is the closest to the wall should be at least800 mm.

l The distance between the wall and the row that is the closest to the wall should be at least 800 mm(for double-door cabinets).

l The width of the aisles in the equipment room should be at least 1,000 mm.

Marking Template

The marking template is delivered with the cabinet. The marking template for installing the

N68E-22 cabinet on the concrete floor is different from the marking template for installing the N68E-22 cabinet on the ESD floor. See Figure 6-2 and Figure 6-3 .



36



Figure 6-2 Marking template for installing the N68E-22 cabinet on the concrete floor (unit: mm)

Figure 6-3 Marking template for installing the N68E-22 cabinet on the ESD floor (unit: mm)

6.3 N6X Series Support AssemblyThe N6X series support assembly consists of N6X series support, guide rail, and front pallet.To support and secure the cabinet, you need to use bolts to fix the guide rail, support, and cabinettogether and use the front pallet to support the ESD floor before and after the cabinet.

N6X Series SupportThe support is used to raise the cabinets so that the installation personnel can easily lay the floor and route the cables in the equipment room. Figure 6-4 shows the N6X series support.



37



Figure 6-4 N6X series support

1 Half support 2 Expansion lever 3 M8 screw assembly connecting thehalf support and the expansion lever

4 Holes for connecting the supportand the guide rail

5 Holes for connecting the supportand the front pallet

6 Height scale of the ESD floor

7 Height locking bolt 8 Hole for connecting the supportand the ground

The length of the N6X series support can be adjusted by adjusting the length of the expansionlever.

There are two types of N6X series support: height-adjustable and height-fixed. For details, seeTable 6-2 .

Table 6-2 Two types of N6X series support

Type ESD Floor Height Remarks

I Height-adjustable

210-296 mm,296-465 mm,465-756mm

l Stepless regulation of height can be performed within the range.

l The height of the ESD floor refers to the distance betweenthe concrete floor and the upper surface of the ESD floor.

II Height-fixed Customized according to the heightof the ESD floor Mainly applicable to the scenariowhere the floor is very high or verylow, with the minimum floor heightof 150 mm

Guide RailThe guide rail is used to connect the cabinet and the support. Figure 6-5 shows the guide rail.



38



Figure 6-5 Guide rail

1 Holes for connecting the cabinet 2 Holes for connecting the support

Front PalletThe front pallet is used to support the floor around the cabinet. Figure 6-6 shows the front pallet.

Figure 6-6 Front pallet

1 Holes for connecting the support

6.4 Positioning the N68E-22 Cabinet on the ESD FloorPositioning the N68E-22 cabinet on the ESD floor involves the following steps: determiningcabinet positions, marking the positions, drilling holes, and installing expansion bolt assemblies.

Prerequisitesl The components required for the positioning are available. The required components are

the M12x60 expansion bolt assemblies.l The materials required for the positioning are available. The required materials are the

marking template and Equipment Room Floor Plan .l The tools required for the positioning are available. The required tools are the tape measure,

panel lifter, electric saw, marker, hammer drill with φ16 drill bit, vacuum cleaner, safetygoggles, dustproof cover for electronic equipment, and rubber hammer.



39



Procedure

Step 1 Ensure that the Equipment Room Floor Plan is in accordance with the requirements for installingthe N68E-22 cabinet by referring to Template Files for Installing the N68E-22 Cabinet.

Step 2 Use a tape measure to determine the cabinet positions based on the dimensions specified in the Equipment Room Floor Plan .

Step 3 Use the panel lifter to remove the ESD floor in the installation area.

Step 4 Remove the supporting pieces of the ESD floor.

Step 5 Clean the installation area.

Step 6 Choose a method of determining the positions of the holes for the expansion bolt assemblies onthe concrete floor.

You can use the marking template or tape measure to determine the positions of the holes for the expansion bolt assemblies on the concrete floor. The marking template is made of paper and

is prone to deformation. Before using the marking template, check whether it is deformed basedon the dimensions of marking template specified in Template Files for Installing the N68E-22Cabinet.

If... Then...

The marking template is one of the accessories delivered on site and is notdeformed,

Go to Step 7 .

The marking template is not one of the accessories delivered on site or isdeformed,

Go to Step 8 .

Step 7 Use the marking plate to determine the positions of the holes for the expansion bolt assemblies.

1. As shown in Figure 6-7 or Figure 6-8 , use measuring and marking instruments to measureand mark the start points for the front of a row of cabinets. From each start point, mark the

benchmark lines in the cabinet arrangement direction.

2. Place the marking template on the floor. Ensure that the semicircle notch of the templateindicates the front of the cabinet and the edges of the template align with the benchmark lines.

3. Mark the positions of the holes (four holes for each cabinet) for expansion bolts on the floor by using the template.

4. After all the hole positions are marked, ensure that the distance between the holes isaccurate.

5. Go to Step 9 .

Step 8 Use the tape measure to determine the positions of the holes for the expansion bolt assemblies.

1. As shown in Figure 6-7 or Figure 6-8 , use measuring and marking instruments to measureand mark two straight lines with 704 mm wide spacing, and ensure that the lines are parallelwith the front of the cabinet.



40



Figure 6-7 Installation holes for one cabinet (unit: mm)

Figure 6-8 Installation holes for a row of cabinets (unit: mm)

2. As shown in Figure 6-7 or Figure 6-8 , determine the position of hole for the first expansion bolt assembly on each of the straight lines. Taking the hole as the benchmark point, mark

the installation holes for other expansion bolt assemblies in succession.3. After all the hole positions are marked, ensure that the distance between the holes is

accurate.

Step 9 Drill the holes.



41



CAUTION

l The concrete floor should not be penetrated. Therefore, you should confirm the thickness of

the concrete floor before drilling holes. For some types of concrete floors on which the drillingis not suitable, you should consult the architectural engineers and get their permission beforedrilling holes.

l Before drilling holes, you should take dustproof measures on the electronic equipment in theequipment room. You should use a vacuum cleaner to remove the dust during the drilling.Before removing the dustproof cover from the electronic equipment, you should clean up the

pieces of concrete that have accumulated during the drilling.l You must wear safety goggles during the drilling to protect your eyes from the dust.l While drilling holes, you must hold the drill stock firmly. You must keep the drill bit vertical

to the floor to protect the floor from being damaged or the holes from being slanted.

1. Dig a pit by using a chisel to help hold the drill bit to the floor, as shown in Figure 6-9 .

Figure 6-9 Digging a pit

2. Use a hammer drill to drill holes at the marked places on the concrete floor. The depth of each hole must range from 52 mm to 60 mm. All the holes must have the same depth. Selecta φ16 drill bit. See Figure 6-10 .

Figure 6-10 Drilling a hole



42



3. Ensure that the depth of each hole ranges from 52 mm to 60 mm and that the holes are notslanting. If the depth of the hole is not appropriate or if the hole is slanting, re-drill the hole.If the slanting hole cannot be corrected, stop using the hole.

4. Remove the dust inside and outside the holes by using a vacuum cleaner.

Step 10 Install the expansion bolt assemblies.

Figure 6-11 shows an expansion bolt assembly.

Figure 6-11 Expansion bolt assembly

1 Bolt 2 Spring washer 3 Flat washer 4 Expansion tube

5 Nut 6 Guiding slot 7 Guiding rib

1. Measure the distance between the holes. If the position of a hole is not correct, re-positionand drill a new hole.

2. Insert the guiding rib on the nut into the guiding slot on the expansion tube, and then screwthe bolt slightly to ensure that the guiding rib does not move out from the guiding slot. See

part 1 of Figure 6-12 .

3. Insert the expansion tube and the nut into the hole vertically, and then use a rubber hammer to strike the expansion tube until it is completely buried in the hole, as shown in part 2 of Figure 6-12 .




43



4. Pre-tighten the expansion bolt clockwise so that the nut and the expansion tube do not getloose easily. See part 1 of Figure 6-13 .

5. Unscrew the expansion bolt counterclockwise and then remove the spring washer and flatwasher. Keep them for future use. See part 2 of Figure 6-13 .


----End

6.5 Installing the N6X Series Support and the Guide RailsThis section describes how to install the N6X series support and the guide rails.

Prerequisitesl The components required for the installation are available. The required components are

guide rails, M12x35 assembling bolt, and M12x60 assembling bolt.l The materials required for the installation are available. The required materials are flat

washer 12, spring washer 12, and large flat washer.l The tools required for the installation are available. The required tools are torque wrench

and ruler.

Procedure

Step 1 Adjust the depth of the support. Move the two half supports so that the tail end of each half support is flush with the 800 silkscreen on the expansion lever. Then, fasten the six M8x20 screwassemblies on the expansion lever. See Figure 6-14 .



44



Figure 6-14 Adjusting the depth of the support

1 Half support 2 M8 assembling bolt connecting the half support and the expansion lever

3 Expansion lever 4 Height locking bolt

Step 2 Adjust the height of the support.

1. Loosen the height locking bolts. Figure 6-14 shows the positions of the height locking bolts.

2. Adjust the height of the support until it is equal to the measured height of the ESD floor.

CAUTION

l The height of the ESD floor shall be in accordance with the site survey report.l The value read on the height scale of each support must be the same as the measured

height of the ESD floor. Otherwise, the heights of the cabinets in the same row may bedifferent after capacity expansion.

3. Tighten the height locking bolts to 45 N•m by using a torque wrench. Note that the two bolts in the middle should be tightened before the four bolts on the two sides.

Step 3 Install the guide rails. See Figure 6-15 .



45



Figure 6-15 Installing the guide rails

1 Support 2 Guide rail 3 M12x35 bolt

4 Spring washer 5 Flat washer

1. Place the guide rail on the support and align the installation holes for the guide rail withthose for the support.

2. Assemble the support and the guide rail by using the M12x35 assembling bolts, springwashers, and flat washers.

3. Adjust the position of the support so that the diagonals of the four-sided shape formed bythe two guide rails have nearly the same length, with a deviation of not more than 2 mm.

4. Use a wrench to tighten the assembling bolts diagonally.

Step 4 Level and secure the support.

1. Align the installation holes for the support with those for the expansion bolt assemblies inthe ground, and then place the support assembled with the guide rail on the floor.

2. Install the spring washers and flat washers on the M12x60 bolts. Through the installationholes for the support, vertically insert the bolts into the holes for the expansion boltassemblies. See Figure 6-16 .



46



Figure 6-16 Securing the support

1 Support 2 Guide rail 3 M12x60 bolt

4 Spring washer 5 Large flat washer 6 Adjusting pad

7 Expansion tube 8 Nut 9 Level bar

3. Place the level bar on the support to check whether the support is level. If it is not level,

add adjusting pads under the support.

4. Tighten the four bolts to 45 N•m one diagonal pair after another.

Step 5 Connect the supports if the N68E-22 cabinets are to be combined.

To ensure that you can combine cabinets smoothly, use the insulating spacers to help locateadjacent two supports. Figure 6-17 shows an insulating spacer.

Figure 6-17 Insulating spacer

1 Hole for locating adjacent supports 2 Hole for fixing the cabinet

1. Place the insulating spacer on the guide rails of the adjacent two supports. Align the half-circle gaps of the insulating spacer with the installation holes for the two guide rails, and

then insert the M12x35 assembling bolts into the holes. See Figure 6-18 . Use the insulatingspacers to connect all the supports.



47



Figure 6-18 Connecting the supports

1 Insulating spacer 2 M12x35 bolt

2. Use the level bar to check the levelness of the supports. If the supports are not level, use

the adjusting pads to level them. See Figure 6-18 .

3. Use the wrench to tighten the height locking bolts to secure the supports.

4. Remove the M12x35 assembling bolts and the insulating spacers. Keep them for future use.

----End

6.6 Securing the N68E-22 Cabinet on the ESD FloorUpon delivery, the N68E-22 cabinet is equipped with the front and back doors. Therefore, youshould remove the doors first and then secure the cabinet on the N6X series support.


cabinet and M12x35 bolts.l The materials required for the installation are available. The required materials are

insulating spacer, flat washer 12, and spring washer 12.l The tools required for the installation are available. The required tools are level bar, torque

wrench, socket wrench, and Phillips screwdriver.

Context

CAUTION

The gravity center of the cabinet is high. Therefore, do not lift or push the cabinet alone. Movinga cabinet requires at least two persons and a pallet truck, so as to ensure personnel safety andequipment safety.



48



Procedure

Step 1 Remove the wooden protection boards from the front and back of the cabinet.

Step 2 Remove the four wooden protection boards from both the left and right parts of the rack. Pulldown the hook pin at the upper part of both the front and back doors of the cabinet, and thenremove both doors. Store the doors for future use. See Figure 6-19 .

Figure 6-19 Removing the wooden protection boards

NOTE

When storing the doors, you should ensure that they are unlocked. Therefore, the lock rod at the lower partof each door does not protrude, thus preventing the lock rod from deformation. See Figure 6-20 .

Figure 6-20 State of the lock of each door



49



Step 3 Remove the reinforced plate from both sides of the cabinet.

Step 4 Determine the position of the cabinet front. Then, lift the cabinet onto the guide rail. Align the

installation holes at the bottom of the cabinet with the four holes on the guide rail.

Step 5 Add the spring washer, flat washer, and insulating tube to each of the four expansion bolts. Then,insert each expansion bolt into the expansion tube and pretighten the expansion tube and the nut.See Figure 6-21 .

Step 6 Below the cabinet, push two insulating spacers from both the front and back sides. Ensure thatthe notch faces the inner side and is wedged in the expansion bolt. Align the installation holesof each insulating spacer with the corresponding expansion bolt holes. See Figure 6-21 .

Figure 6-21 Installing the cabinet

1 N68E-22 cabinet 2 Guide rail 3 Support

4 Insulating spacer 5 Insulating tube 6 Flat washer

7 Spring washer 8 Bolt

Step 7 Using M12 socket wrench to level the cabinet. Use a level bar to check the levelness of thecabinet. If the cabinet is not level, use a socket wrench to adjust the anchor bolt (adjustable range:0-10 mm) of the cabinet and ensure that the cabinet is level. See Figure 6-22 .



50



Figure 6-22 Leveling the cabinet

1 Anchor bolt 2 Fixing bolt

Step 8 Use the torque wrench to fix the four fixing bolts and tighten them to 45 N•m.

----End


PrerequisitesThe tool required for the insulation test is available. The required tool is the multimeter.

Procedure

Step 1 Set the multimeter to the megohm scale.

Step 2 Measure the resistance between the M12x60 expansion bolt and the cabinet.

If... Then...

The resistance is greater than or equal tofive megohms,

Test completes.

The resistance is smaller than five

megohms,

The cabinet is not insulated from the ground.

Go to Step 3 .



51



Figure 6-23 Insulation test

Step 3 Remove all the installation parts between the N68E-22 cabinet and the ground.

Step 4 Ensure that the insulation parts are not missing or damaged.

Step 5 Secure the cabinet again.

Step 6 Repeat Step 1 to test the insulation again.

----End

6.8 Combining the N68E-22 Cabinets

This section describes how to combine the N68E-22 cabinets. When combining an N68E-22cabinet with another cabinet, you should use connecting pieces to secure them. The combining



52



of N68E-22 cabinets can be classified into the following: combining of two N68E-22 cabinetsand combining of N68E-22 and N68-22 cabinets.

PrerequisitesThe tools required for the installation are available. The required tools are the wrench andclimbing ladder.

Context

If two N68E-22 cabinets are to be combined, the connecting pieces are already installed on topof the cabinets and are delivered with the cabinets. If N68E-22 and N68-22 cabinets are to becombined, special connecting pieces for combining cabinets are required. Figure 6-24 showsthe special connecting pieces for combining cabinets.

Figure 6-24 Special connecting pieces for combining cabinets

Procedurel Combining Two N68E-22 Cabinets




53



Figure 6-25 Reinstalling the connecting piece between N68E-22 cabinets

2. Use M8x30 bolts to connect the connecting pieces of the adjacent cabinets together.See part 1 of Figure 6-26 .



54



Figure 6-26 Combining two N68E-22 cabinets


4. At the bottom of the combined cabinets and in front of the column, use a level bar tocheck whether the horizontal and vertical deviations of the row of cabinets meet the

specifications, as shown in Figure 6-27 . If the cabinet is not level, use a socket wrenchto adjust the leveling foot.



55



Figure 6-27 Using a level bar to check the horizontal and vertical deviations

l Combining N68E-22 and N68-22 Cabinets


2. Remove the connecting piece from the middle top of the N68-22 cabinet, as shown in part 1 of Figure 6-28 . Keep the removed M6x16 screws for future use.



56



Figure 6-28 Combining N68E-22 and N68-22 cabinets

3. Fix the special connecting pieces to the N68-22 cabinet, as shown in part 1 of Figure6-28 .

4. Use M8x30 bolts to fix the special connecting pieces of the N68-22 cabinet and theconnecting pieces at the column in the N68E-22 cabinet, as shown in part 1 of Figure6-28 .


6. At the bottom of the combined cabinets and in front of the column, use a level bar tocheck whether the horizontal and vertical deviations of the row of cabinets meet thespecifications. If the cabinet is not level, use a socket wrench to adjust the levelingfoot of the N68E-22 cabinet.

----End

6.9 Placing the ESD Floor in the Original PositionAfter securing the N68E-22 cabinet on the ESD floor, you need to install the front pallet tosupport the ESD floor around the cabinet and place the ESD floor around the cabinet in theoriginal position.



57




the front pallet and M12x30 assembling bolt.l The materials required for the installation are available. The required materials are the

spring washer 12 and flat washer 12.l The tools required for the installation are available. The required tools are the wrench and

handsaw.

Procedure

Step 1 Use the M12x30 assembling bolt, spring washer, and flat washer to secure the front pallet to thesupport, as shown in Figure 6-29 .

Figure 6-29 Installing the front pal let

Step 2 Adjust the height of the front pallet to ensure that the upper surface of the front pallet is flushwith the lower surface of the ESD floor.

Step 3 Cut the ESD floor according to the actual conditions and then place the ESD floor in the original position, as shown in Figure 6-30 .



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Figure 6-30 Placing the ESD floor in the original position

----End



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7 Installi ng the Accessories for the N68E-22Cabinet

About This Chapter

This chapter describes how to install the front and back d oors as well as side panels for the N68E-22 cabinet. This chapter also describes how to install the PGND cables for th e doors andside panels.

Prerequisitesl The cabinet is installed.l The accessories for the cabinet are delivered to the site.

Procedure

Step 1 Install the side panels for the N68E-22 cabinet by referring to 7.2 Installing the Side Panelsfor the N68E-22 Cabinet .

Step 2 Install the front and back doors for the N68E-22 cabinet by referring to 7.3 Installing the Frontand Rear doors for the N68E-22 Cabinet .

Step 3 Install the PGND cables for the doors and side panels of the N68E-22 cabinet by referring to

7.4 Installing the PGND Cables for the Doors of the N68E-22 Cabinet .----End

7.1 Accessories to Be Installed for the N68E-22 CabinetThe accessories to be installed for the N68E-22 cabinet are front and back doors, side panels,and the corresponding PGND cables.

7.2 Installing the Side Panels for the N68E-22 CabinetA single N68E-22 cabinet has four side panels, with two side panels on both the left and rightsides. When multiple N68E-22 cabinets are combined in a row, a total of four side panels needto be installed at the two ends of the cabinet row. When the N68E-22 cabinet is combined withother types of cabinets, you need to install the side panels where the cabinets are combined.

7.3 Installing the Front and Rear doors for the N68E-22 Cabinet

N68-22 Cabinet Installation Guide 7 Installing the Accessories for the N68E-22 Cabinet


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This takes the double-door cabinet as an example to describe how to install the front and rear doors.

7.4 Installing the PGND Cables for the Doors of the N68E-22 CabinetThis section describes how to install the PGND cables for the doors of the N68E-22 cabinet.Each front door, rear door, and side panel of the cabinet must be installed with a PGND cable.



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7.1 Accessories to Be Installed for the N68E-22 Cabinet

The accessories to be installed for the N68E-22 cabinet are front and back doors, side panels,and the corresponding PGND cables.

Table 7-1 lists the accessories to be installed for the N68E-22 cabinet.

Table 7-1 Accessories to be installed for the N68E-22 cabinet

Accessory

Installation Position Remarks

Side panel

See Exploded View of the N68E-22Cabinet.

Side panels need to be installed at both ends of a row of combinedcabinets. The side panels areclassified into left panels and right

panels.

Front and back doors

There are two types of structuresfor the front and back doors:single-door structure and double-door structure. The installationmethods are the same.

PGNDcables for the doorsand side

panels

The PGND cables connect thefront and back doors as well as side

panels to the base of the cabinet.

7.2 Installing the Side Panels for the N68E-22 CabinetA single N68E-22 cabinet has four side panels, with two side panels on both the left and rightsides. When multiple N68E-22 cabinets are combined in a row, a total of four side panels needto be installed at the two ends of the cabinet row. When the N68E-22 cabinet is combined withother types of cabinets, you need to install the side panels where the cabinets are combined.


the side panels and M6x12 countersunk screws.l The tools required for the installation are available. The required tool is a Phillips

screwdriver with a long handle.

Context

Figure 7-1 shows how to install the side panels for the N68E-22 cabinet.



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Figure 7-1 Installing the side panels for the N68E-22 cabinet

Procedure

Step 1 Remove the connecting plate from the middle top of the cabinet, as shown in part 1 of Figure7-1 .

Step 2 Connect the ground cable on the rack to the ground screw on the side panel, as shown in part 2of Figure 7-1 .

Step 3 Place the side panel in the appropriate position, align the eight M6x12 screws with the installationholes, and then fasten the screws, as shown in part 3 of Figure 7-1 .

----End

Follow-up ProcedureRecord the installation result in the corresponding table provided in Hardware InstallationRecord.



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7.3 Installing the Front and Rear doors for the N68E-22Cabinet

This takes the double-door cabinet as an example to describe how to install the front and rear doors.

Prerequisitesl To facilitate the operation, the front and rear doors should be installed after the installation

of other hardware is complete.l The components required for the installation are available. The required components are

the front and rear doors.

ContextFigure 7-2 shows how to install the front and rear doors for the cabinet.

Figure 7-2 Installing the front and rear doors for the N68E-22 cabinet

Procedure

Step 1 Insert the pivot of the door into the hole in the lower enclosure of the cabinet, as shown in part1 of Figure 7-2 .



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Step 2 Pull down the hook pin, align it with the pivot hole in the upper enclosure of the cabinet, andthen release the hook pin so as to fix the door onto the cabinet, as shown in part 2 of Figure7-2 .

----End

Follow-up ProcedureRecord the installation result in the corresponding table provided in Hardware InstallationRecord.

7.4 Installing the PGND Cables for the Doors of the N68E-22Cabinet

This section describes how to install the PGND cables for the doors of the N68E-22 cabinet.

Each front door, rear door, and side panel of the cabinet must be installed with a PGND cable.


PGND cables of cabinet doors.l The tools required for the installation are available. The tools are the Phillips screwdriver

and the wrench.

ContextNOTE

PGND cab les for the fr ont door and rear door are required for the single-door cabinet. PGND cables for the front doors and rear doors are required for the double-door cabinet.

Figure 7-3 shows how to install the PGND cables for the doors of the N68E-22 cabinet.



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Figure 7-3 Installing the PGND cables for the doors of the N68E-22 cabinet

Procedure

Step 1 Connect the PGND cables for the side panels, as shown in part 1 of Figure 7-3 .

NOTE

For a row of combined cabinets, only the side panels at the left and right ends of the cabinet row need to be installed with PGND cables.

Step 2 Connect the PGND cables for the front and rear doors, as shown in part 2 of Figure 7-3 .

----End



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8 Attaching the Engineering Labels to theCabinets

This chapter describes how to attach the engineering labels, including row and column labels,to the cabinets.

Context

Figure 8-1 shows the ro w label.

Figure 8-1 Row label

Figure 8-2 shows the co lumn label.

Figure 8-2 Column label

Procedure

Step 1 Attach the row labels to the cabinets.

Attach the row labels to the side panels of the cabinets that stand near the aisle at the two endsof each cabinet row.

N68-22 Cabinet Installation Guide 8 Attaching the Engineering Labels to the Cabinets


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If there is more than one row of cabinets, attach label A to the side panels at the two ends of thefirst cabinet row that is the closest to the door of the equipment room, label B to the second row,label C to the third row, and so on.

Step 2 Attach the column labels to the cabinets.

Attach the column labels to the door head of the cabinet front, with label 00 to the first cabinetnear the main aisle, 01 to the second one, 02 to the third one, and so on.

----End

Follow-up ProcedureRecord the operation result in the corresponding table provided in Hardware InstallationRecordHardware Installation Record.

N68-22 Cabinet Installation Guide 8 Attaching the Engineering Labels to the Cabinets


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9 Cabinet Installation Record

The hardware installation record is used to record the hardware installation information.

Table 9-1 Checklist for the installation of cable tray

Item Yes or No Record/Remarks

The bolts for all thecable ladders areinstalled.

The cable troughsand all their boltsare installed.

All the accessoriesfor the cable trayare installed.

Table 9-2 Checklist for the cabinet installation


The installation positions of thecabinets aredetermined.

The positions of all thecabinets are marked.

The installation holesfor all the expansion

bolt assemblies aredrilled.

N68-22 Cabinet Installation Guide 9 Cabinet Installation Record


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All the expansion boltassemblies areinstalled.

All the supports areinstalled if the ESDfloor is used.

All the cabinets areinstalled and secured.

All the cabinets areinsulated.

All the cabinets arecombined.

The ESD floor is placed in the original position if the ESDfloor is used.

Table 9-3 Checklist for the installation of other accessories

Item Yes orNo

Record/Remarks

The side panels of all thecabinets are installed.

The front and back doorsof all the cabinets areinstalled.

All the PGND cables for the doors are installed.

All the engineering labelsare attached to the cabinet.

N68-22 Cabinet Installation Guide 9 Cabinet Installation Record


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10 Checklist for the Cabinet Installation

This chapter describes the items and specifications for checking the cabinet installation.

Table 10-1 lists the items and specifications for checking the cabinet installation.

Table 10-1 Checklist for the cabinet installation

SN Item

1 The cabinet layout complies with the engineering design.

2 The supports are positioned and spaced according to the schematic drawing of installation holes if the equipment room has an ESD floor.

3 All supports are properly fixed to the floor if the equipment room has an ESD floor.

4 The support assembly is properly installed if the equipment room has an ESD floor.

5 All the front pallets for the ESD floor are installed at the same height if the equipmentroom has an ESD floor that needs to be supported by front pallets.

6 The cabinet is well insulated from the support or ground.

7 The cover plates are properly installed at the top and bottom of the cabinet.

8 The accessories such as the side panel, front door, and rear door are properlyinstalled.

9 The row labels, column labels, and product labels are properly attached.10 The ESD wrist strap is inserted into the ESD installation hole of the cabinet.

11 The connecting plates of the combined cabinets are properly installed.

12 The shockproof parts between multiple rows of cabinets are insulated.

13 All the screws are fastened. The flat washers and spring washers are mounted. Thespring washers are placed between the flat washers and the screws.

14 The cabinets are stable and orderly placed.

15 The adjacent cabinets are close to each other and are in alignment.

N68-22 Cabinet Installation Guide 10 Checklist for the Cabinet Installation


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SN Item

16 The vertical deviation of the cabinet is less than 3 mm.

17 All the cabinet side panels facing the aisle are properly aligned, with the maximumdeviation of 5 mm.

18 The surfaces of the cabinets are clean without any fingerprint or smudge. The painton the surfaces of the cabinets is intact. There is no dust, excessive cable tie ends,or other sundries in the cabinets (even at dead corners).

19 All the labels, tags, and nameplates are complete, legible, and correct.

20 The front and rear doors of the cabinet open and close easily.

21 The modules in one cabinet are aligned from the top down.

22 All the filler panels are installed.

23 All the boards are installed in proper positions, and the DIP switches of the boardsare properly set.

24 The components and the connecting wires or cables of the cabinets are not detachedor damaged.

25 The paint on the components of the cabinets is in overall good condition.

N68-22 Cabinet Installation Guide 10 Checklist for the Cabinet Installation


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11 Exploded View of the N68E-22 Cabinet

This section describes the components of the N68E-22 cabinet and the cabinet details, whichare indicated in the exploded view.

Figure 11-1 shows the structure of the N68E-22 cabinet.

N68-22 Cabinet Installation Guide 11 Exploded View of the N68E-22 Cabinet


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Figure 11-1 Structure of the N68E-22 cabinet

1 Front and rear columns 2 Door frames 3 Side panels

4 Front and back doors 5 Middle columns

Table 11-1 describes the parts marked with letters in Figure 11-1 .



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Table 11-1 Details of the installation of a cabinet

No. Description No. Description

a

(1) Product label

b

(1) Huawei Logo

c

(1) Connecting plate used toconnect combined cabinets

d

(1) Middle column

e

(1) Plastic cover plate(2) Plastic cover plate

f

(1) General grounding point of thecabinet

g

(1) Movable hook pin

h

(1) Wire bushing

i

(1) Grounding screw

j

(1) Leveling foot



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No. Description No. Description

k

(1) Pin hole

l

(1) Lower movable pivot on front door


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