CX-U HW Guide-rev6

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CX-U SeriesHardware Reference Manual


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COPYRIGHTS AND DISCLAIMERS

Hardware Revision number: CX-U rev 6

Published Date: September 2009

This publication contains information proprietary and confidential to Memotec Inc. Any reproduction,

disclosure or unauthorized use of this publication is expressly prohibited except as Memotec Inc. mayotherwise authorize in writing.

Memotec Inc. reserves the right to make changes without notice in product or component design as warranted

by evolution in user needs or progress in engineering or manufacturing technology. Changes which affect the

operation of the unit will be documented in the next revision of the manual.

We have made every effort to ensure the accuracy of the information presented in our documentation.

However, Memotec assumes no responsibility for the accuracy of the information published. Product

documentation is subject to change without notice. Changes, if any, will be incorporated in new editions of

these documents. Memotec may make improvements or changes in the products or programs described within

the documents at any time without notice. Mention of products or services not manufactured or sold by

Memotec is for informational purposes only and constitutes neither an endorsement nor a recommendation forsuch products or services.

Memotec Inc. is a wholly owned subsidiary of Comtech EF Data Corp., and its parent company Comtech

Telecommunications Corp (NASDAQ: CMTL).

CX-U Series, CX-UA Series, and AbisXpress are either registered trademarks or trademarks of Memotec

Inc.in Canada, the United States of America, and in other countries.

Belden is a registered trademark of Belden Inc.in the United States of America and in other countries.

Any other trademarks are the property of their respective companies.

Copyright 2009 Memotec Inc.

Memotec Inc.

7755 Henri Bourassa Blvd. West

Montreal, Quebec

Canada H4S 1P7

Tel.: (514) 738-4781

FAX: (514) 738-4436

www.memotec.com
http://www.memotec.com/http://www.memotec.com/


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Contents

Chapter 1: Functional and Hardware Overviews . . . . . . . . . . . . . . . . . . . . . . . . . . .1-1

1. 1 Functional Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-2

1.1.1 Compatible Applications of the CX-U Technology . . . . . . . . . 1-3

1. 2 Procedures for Returning Equipment for Repair . . . . . . . . . . . . . . . . . . .1-4

1.2.1 Obtaining an RA Number. . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4

1.2.2 RA Procedure and Directives. . . . . . . . . . . . . . . . . . . . . . . . . 1-4

Chapter 2: Overv iew of the CX-U1000 Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-1

2. 1 CX-U1000 Series Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-2

2. 2 CX-U1000 Series Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-3

2.2.1 Front Panel LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3

2. 3 CX-U1000 Series Rear Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-6

2.3.1 Rear Panel Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6

2. 4 About the DLP and DDLP cards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-18

Chapter 3: Unique Propert ies per CX-U1000 Unit . . . . . . . . . . . . . . . . . . . . . . . . . .3-1

3.0.1 Front Panel LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2

3.0.2 CX-U1010 Rear Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5

3.0.3 Internal Clock Synchronization. . . . . . . . . . . . . . . . . . . . . . . . 3-5

3. 1 CX-U1220/CX-U1240/CX-U1280 Unique Specifications. . . . . . . . . . . . . 3-6

3.1.1 CX-U1220/CX-U1240/CX-U1280 Front Panel . . . . . . . . . . . . 3-6

3.1.2 CX-U1220/CX-U1240/CX-U1280 Rear Panel . . . . . . . . . . . . 3-6

3.1.3 Internal Clock Synchronization. . . . . . . . . . . . . . . . . . . . . . . . 3-7

Chapter 4: GPS Module Solution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1

4. 1 GPS Clock Solution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-2

4.1.1 GPS Clock Module. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2

4.1.2 GPS Antenna for CX-U Devices. . . . . . . . . . . . . . . . . . . . . . . 4-3

4.1.3 Surge Protection Device. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4

Chapter 5: Ins tallation and Conf igu ration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-1

5. 1 Installation Preparations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-2

5.1.1 Unpacking and Inspecting the Units. . . . . . . . . . . . . . . . . . . . 5-2

5.1.2 Opening and Closing the Chassis . . . . . . . . . . . . . . . . . . . . . 5-2


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5.1.3 Adding a Redundant Backplane to Two Units . . . . . . . . . . . . 5-4

5.1.4 Removing a Faulty Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-5

5. 2 Adding DLPs or DDLPs to a Motherboard. . . . . . . . . . . . . . . . . . . . . . . .5-6

5.2.1 Locating the DLPs on the CX-U1000 devices (Rev 6) . . . . . . 5-8

5.2.2 Archives: Locating DLPs on Previous Versions . . . . . . . . . . . 5-9

5. 3 Adding a GPS Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-11

5. 4 Vertically Mounting CX-U Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-14

5.4.1 Vertically Mounting CX-U Units. . . . . . . . . . . . . . . . . . . . . . . 5-14

5. 5 Connecting the Unit to a Power Source. . . . . . . . . . . . . . . . . . . . . . . . .5-16

5.5.1 Wiring the DC Power Connector. . . . . . . . . . . . . . . . . . . . . . 5-16

5. 6 Connecting the CX-U Console to a PC . . . . . . . . . . . . . . . . . . . . . . . . .5-18

Chapter 6: Recording System Conf iguration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-1

6. 1 Identifying the Hardware Revision of a CX-U Device. . . . . . . . . . . . . . . .6-2

6. 2 Identifying the Software Revision of a CX-U Device . . . . . . . . . . . . . . . .6-3

6.2.1 Using CXAccess via Remote Access . . . . . . . . . . . . . . . . . . . 6-3

6.2.2 Using CXAccess via the Console Port . . . . . . . . . . . . . . . . . . 6-4

Chapter 7: Obtaining Opti onal Activation Codes. . . . . . . . . . . . . . . . . . . . . . . . . . .7-1

7. 1 Identifying the Serial Number of a CX-U Device . . . . . . . . . . . . . . . . . . .7-2

7. 2 Entering your Activation Code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-4

Appendix: Optional Backplanes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1The CX-B2L04T & CX-B2L12T Redundant Backplanes . . . . . . . . . . . . A-2

The CX-B1L04T & CX-B1L12T Backplanes . . . . . . . . . . . . . . . . . . . . . A-5

The CX-B2L04R & CX-B2L12R Redundant Backplanes . . . . . . . . . . . A-7

Line Bypass Feature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-11

Protective Plates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-12

Appendix: Warranty and Noti fi cat ions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-1

Memotec Standard Warranty Policy . . . . . . . . . . . . . . . . . . . . . . . . . . . B-2

FCC and ACTA Notifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-5

Industry Canada (IC) Notifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-7

Conformity Markings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-9

Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Index-1


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Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Glossary -1


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List of Tables

Table 1-1: CX-U1000 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2

Table 2-1: CX-U1000 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2

Table 2-2: Front Panel LED Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3

Table 2-3: Front Console and Ethernet LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5

Table 2-4: Rear Ethernet LEDs (4 ports). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7

Table 2-5: Console Port Pinouts (DTE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7

Table 2-6: CLOCK IN Settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8

Table 2-7: CLOCK OUT Settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9

Table 2-8: Pinouts for RJ -21x and RJ -48c. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11

Table 2-9: Pinouts for CA /TC-M0-10 RJ -21M to open-end CHAMP cable . . . . . 2-12

Table 2-10: RJ -48c Pinouts for T1/E1 Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-13

Table 2-11: Rear T1/E1 LEDs (12 ports). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-14

Table 2-12: Signal Pinouts for EIA-530 Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-15

Table 2-13: Rear panel LED status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-17

Table 2-14: Rear Panel LED Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-17

Table 2-15: Types of DLP/DDLP cards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-19

Table 3-1: Front Panel LED Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2

Table 3-2: Front Console and Ethernet LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4

Table 3-3: Rear Ethernet LEDs (4 ports). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5

Table 3-4: Rear T1/E1 LEDs (12 ports). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7

Table 4-1: GPS Clock Module Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3

Table 4-2: GPS Clock Antenna Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4

Table 4-3: Surge Protection Device Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4

Table 5-1: Pinouts for RJ -45-to-DB-9 Connections . . . . . . . . . . . . . . . . . . . . . . . . . 5-18

Table A-1 DB-15 Male Connector Pinouts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-4

Table A-1 RJ -21 Female Connector Pinouts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-8

Table A-1 RJ -21 Female Connector Pinouts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-9


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List of Figures

Figure 1-1: The CX-U1240 Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-2

Figure 1-2: CX-U Functional Applications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-3

Figure 2-1: CX-U1240 Front View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-3

Figure 2-2: CX-U1000 Rear View. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-6

Figure 2-3: The RJ -21 and RJ -48c Connectors for T1/E1 . . . . . . . . . . . . . . . . . . . .2-11

Figure 2-4: Male and Female 25-pin RS-530 Connectors . . . . . . . . . . . . . . . . . . . .2-14

Figure 2-5: Top and Bottom of the DLP/DDLP chips . . . . . . . . . . . . . . . . . . . . . . . .2-18

Figure 3-1: CX-U1010 unit front panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-2


Figure 3-3: CX-U1240 Front View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-6


Figure 4-1: Schematic Diagram of the GPS Solution . . . . . . . . . . . . . . . . . . . . . . . . .4-2

Figure 4-2: The GPS Clock Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-2

Figure 4-3: The GPS Antenna . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-3

Figure 4-4: Surge Protection Device. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-4

Figure 5-1: Opening the CX-U Series Unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-3

Figure 5-2: Attaching the Redundant Backplane . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-4

Figure 5-3: Locating the D/DLP connectors and fasteners. . . . . . . . . . . . . . . . . . . . . 5-6

Figure 5-4: CX-U1280 motherboard with a DLP and DDLP card installed. . . . . . . . .5-7

Figure 5-5: Adding DLP/DDLP chip sets to the CX-U1000 series of motherboards. .5-8

Figure 5-6: DLP positions on a CX-U1010 device (rev 1, 2, and 3) . . . . . . . . . . . . . .5-9

Figure 5-7: DLP positions on a CX-U1010 device (rev 4 and 5). . . . . . . . . . . . . . . . .5-9

Figure 5-8: DLP positions on a CX-1240 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-10

Figure 5-9: Adding the Bulkhead Adapter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-11

Figure 5-10: Attaching the SMA Cable to the GPS Module . . . . . . . . . . . . . . . . . . .5-12

Figure 5-11: Positioning the GPS Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-13

Figure 5-12: Vertically mounted CX-U units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-15

Figure 5-13: Power Entry Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-16

Figure 5-14: Wiring for the DC Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-16


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Figure 5-15: Cable Housing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-17

Figure 5-16: Console Port Cable with RJ -45-to-DB-9 Adaptor. . . . . . . . . . . . . . . . .5-18

Figure 6-1: Locating the Revision number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-2

Figure 6-2: Software Revision numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-3

Figure 6-3: Device dialog box. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-3

Figure 6-4: The results of the module command . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-4

Figure 7-1: Device dialog box. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-2

Figure 7-2: The results of the sysinfo command. . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-3

Figure E-1 The 12 Port CX-B2L12T Redundant Backplane. . . . . . . . . . . . . . . . . . . .A-2

Figure E-3 The CX-B2L04T Backplane Connectors. . . . . . . . . . . . . . . . . . . . . . . . . .A-3


Figure E-6 DB-15 Alarm Contacts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .A-3

Figure E-1 The 12 Port CX-B1L12T Backplane . . . . . . . . . . . . . . . . . . . . . . . . . . . . .A-5



Figure E-1 The 4 Port CX-B2L04R Redundant Backplane. . . . . . . . . . . . . . . . . . . . .A-7

Figure E-2 The CX-B2L04R Backplane Connectors . . . . . . . . . . . . . . . . . . . . . . . . .A-8

Figure E-3 The CX-B2L12R Backplane Connectors . . . . . . . . . . . . . . . . . . . . . . . . .A-9

Figure E-1 Line Bypass Route (12 ports) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .A-11

Figure E-2 Line Bypass Route (4 ports) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .A-11


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Functional and Hardware Overviews

This chapter presents functional and hardware overviews of the

CX-U Series, which includes the CX-U1010, CX-U1220, CX-

U1240, and CX-U1280.

This chapter also explains how to contact Memotec for support

and the process to following to repair equipment.


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NOTE: Ports 1 to 3 and 5 to 10 are restricted for internal applications, but ports 4, 11,

and 12 have extra protection for external applications.

The CX-U1000 series of units each have two sockets to hold the DLP and DDLP plugins.You can use these sockets to plug two DLPs, two DDLPs, or a mix of the two. Using the

DDLPs, you can expand the unit to 12 ports.

1.1.1 Compatible Applications of the CX-U Technology

The CX-U is an access/switching device that supports a wide variety of applications.

Figure 1-2 illustrates some of the applications that are supported by the CX-U.

The functions and capabilities of the CX-U device are controlled primarily by the

motherboard and the software residing in its memory.

Figure 1-2: CX-U Functional Applications


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1.2 Procedures for Returning Equipment for Repair

If for any reason you need to return a piece of equipment to Memotec, please use the

following procedure. DO NOT attempt to ship the equipment without a valid Return

Authorization number.

NOTE: Returns for repair will not be accepted without prior authorization from

Memotec. When a return is authorized a Return Authorization number (RA

number) is assigned. The RA number must be written on the outside of each

returning package.

1.2.1 Obtaining an RA Number

You may obtain an RA number using the following methods:

send an e-mail to [email protected]. Be sure to include a descrip-

tion of the problem you are encountering. An RMA form will be e-mailed to you.

obtain an RMA form directly from the Support page on our web site

(http://www.memotec.com).

1.2.2 RA Procedure and Directives

RA numbers are valid for 30 days after date of issue. Please DO NOT SHIP any equipment

before receiving an Return Authorization (RA) number.

No credit will be given for equipment returned without proper authorization. All itemsinside the unit must be listed in the RMA form.

To avoid custom delays, we ask that you provide your shipping company all the

commercial invoices necessary. MEMOTEC WILL NOT BE RESPONSIBLE for any fee

encountered for storage from the shipping company or delays caused by missing

documents. It is the responsibility of the sender to make sure that all documents are clearly

indicated for customs. You may also fax (514-738-4436) the commercial invoices once

you ship the equipment, these will be used as a reference only.

Repairs are processed within 20 business days of receiving the equipment.The PO for the

repair cost should be faxed to the same number (please indicate your RA # on all

documentation and on all the boxes).

NOTE: For all in-warranty repair with no-problem-found (NPF), there will be an

administration fee applied. Please contact your sales representative for the

current fees.
mailto:[email protected]://www.memotec.com/http://www.memotec.com/http://www.memotec.com/http://www.memotec.com/mailto:[email protected]


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Overview of the CX-U1000 Units

The following section describes the physical, electrical and

environmental specifications for the CX-U1000 units. These units

include:

CX-U1010

CX-U1220

CX-U1240

CX-U1280

For a list of properties and specifications that are unique for each

unit model, see Unique Properties per CX-U1000 Unit on

page 3-1.


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2.1 CX-U1000 Series Specifications

The CX-U1000 series of units are rack-mountable devices with support brackets on either

side. They are enclosed in a steel case. The CX-U1000 series are available as DC-powered

units only.

NOTE: For up-to-date specifications on the CX-U1000 series of products, access the

Products page of our website (http://www.memotec.com), select the CX-USeries page, and download the datasheet (in PDF format).

Physical

Dimensions Height: 1.75 in. (4.4 cm)Width: 16.5 in. (41.9 cm)Depth: 9.25 in. (23.45 cm)

Weight 5.5 lbs. (2.5 kg)

Electrical

Ratings -36 to -60 VDC; 0.5A

Fuse Requirements PTC, 1A

Power The CX-U1000 series of units have a dual power feed,but a single power supply

This means that if a single power feed were to becomeunavailable, the power could continue to flow to the unitvia the second power feed.

Environmental

Operating Temperature -10 to 65C (32 to 149F)

Storage Temperature -50 to 85C (-57 to 185 F)

Humidity 0 to 95% (non-condensing)

Cooling Forced air by one or two factory-installed fans.

The fans are heat sensitive and turn on and off automati-cally, depending on the temperature inside the unit.

Note: The CX-U1010 has only one fan.

Table 2-1: CX-U1000 Specifications
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Console and

Ethernet Ports

There are two RJ-45 ports labelled CONSOLE and ETHERNET in the front of the unit.

They each have two integrated green LEDs, whose indications are described below in

Table 2-3. There is also a second console port and four other Ethernet ports at the rear of

StatusActive

Green On The unit is working properly and identifies theactive unit against the redundant units.

In stand-alone mode, this LED is on.

Off The unit is not working properly.

Note: If there are two units in a redundancysetup, the backup unit is fully opera-tional, even if this LED is off.

StatusAlarm

Red On Indicates a red alarm, the unit is not operatingin its normal state.

Off There is no alarm.

V.35TX, RX

Green On TX: data is being transmitted.

RX: data is being received.

Off Data is not being transmitted.

Ethernet1,2,3,4

Green On Front LEDs combine link and activity detection.When lit, data on the link is being exchanged.

This light is intermittent with the flow of traffic.

Off Data is not being exchanged, or there is no linkdetected.

WAN Green On End-to-end communication is valid

Red On No signal is being received

Yellow On A RAI or RDI remote alarm has been received.

T1/E11-12

Green On The T1/E1 link is up.

Red On T1/E1 loss of signal (LOS).

Yellow On A RAI or RDI remote alarm has been received.from the port.

Blue On An AIS alarm was detected on the receivingside or it was generated by the CX-U after aloss of signal on the incoming WAN.

None Off No links are configured.

Label Colour LED State Indication

Table 2-2: Front Panel LED Status


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the unit, these are described further in Rear Panel Features on page 2-6.

*These are not labelled on the device, but labelled here for clarity.

Ports Label Colour LED State Indication

ConsoleTX,RX*




EthernetLink*

Green On A steady green light indicates the link isup.

When the light flashes intermittently,there is activity on the port.

Off There is no Ethernet link detected.

EthernetSpeed*

Green On A 100 Mbps connection is detected.

Off A 10 Mbps connection is detected.

Table 2-3: Front Console and Ethernet LEDs

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2.3 CX-U1000 Series Rear Panel

Communication cables and the power cord connect to the unit via its rear panel. The

following section describes all the panels features, in order as they appear from left to

right.

The following is an example of how the rear panel of a CX-U1000 units is designed:

NOTE: The layout of the rear panel can be different from unit to unit. For more infor-

mation, see Unique Properties per CX-U1000 Unit on page 3-1.

2.3.1 Rear Panel Features

Ethernet

Connectors

There are four switched 10/100 Mbps Ethernet ports at the back of the unit for WAN

connections (there is another in the front of the unit, suitable for unit management). Each

port is a female 8-pin RJ-45 connector. They autosense data transmission speeds of 10 or

100 Mbps, and autosense full-duplex or half-duplex capability. Auto-MDIX is supported,

however, you can still use straight or crossover Ethernet cables when connecting a CX-USeries device to another device such as a modem or PC.

Figure 2-2: CX-U1000 Rear View


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The Ethernet LED indications are summarized in Table 2-4.

GPS Antenna

Connector

This SMA connector is used with the optional GPS solution kit. Please see GPS Module

Solution on page 4-1 for more information.

Console Port The rear panel has a female RJ-48c connector labeled CONSOLE for the console port (a

second identical port is located in the front of the unit). The console port is configured as

data terminal equipment (DTE). The default parameters for the console port are:

9600 baud

8 data bits

No parity generated or checked

1 stop bit

No Flow Control

Console Port

Cabling and

Pinouts

To connect a PC terminal to the console port, use a RJ-45-to-RJ-45 rollover cable fitted

with an RJ-45-to-DB-9 female DTE adapter (be sure it is labelled terminal). Table 2-5

details the console port pinouts.


LINK/ACT Green On A steady green light indicatesthe link is up.

When the light flashes inter-mittently, the port has activity.

Off There is no Ethernet linkdetected.

10/100 Green On A 100 Mbps connection isdetected.

Off A 10 Mbps connection isdetected.

Table 2-4: Rear Ethernet LEDs (4 ports)

,).+!#4

,).+!#4 ,).+!#4

,).+!#4

Pin* Signal Input/Output

1 -- -

2 DTR Output (optional)

3 TxD Output

4 GND -

5 GND -

Table 2-5: Console Port Pinouts (DTE)


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*Any pin not referenced is not connected.

For information on console cables, please see Connecting the CX-U Console to a PC on

page 5-18. Console cables are also available upon request. Please contact your sales

representative.

NOTE: Previously acquired Memotec console cables for the CX series of units will

NOT work with the CX-U Series devices.

Clock

Reference

Input/Output

There are two 75-Ohm female BNC connectors labeled CLOCK IN for the auxiliary clock

reference input, and CLOCK OUT for the clock reference output.

NOTE: When configuring the clock reference, both CLOCK IN and CLOCK OUT

must have matching shape formats.

The CX-U units support all popular clocking references (for CLOCK IN). The input is 75

Ohms resistive into the BNC connectors. Table 2-6 summarizes the CLOCK IN settings:

6 RxD Input

7 DSR Input (optional)

8 - -


Table 2-5: Console Port Pinouts (DTE)

Shape

FormatSpeed

V in

Min.

V in

Max.Comments

G.703 E11(T1 pulse)

1,544Mbps

-12 dbm 0 dbm Commonly referred to as T1 or DS1 pulseshape, see G.703 section 5 or T1.403

Can be framed or un-framed all ones

Normally it is fed by a PRC or a BITS timingsource Stratum 2 or higher for optimum per-formance

Note: If balanced input is required, use the

Memotec CBLB0001-002 balanced toBNC adaptor.

Table 2-6: CLOCK IN Settings


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Figure 2-3: The RJ-21 and RJ-48c Connectors for T1/E1

Interface

Type

E1

CircuitDirection

RJ-21x Ring

Conductor

RJ-21x Tip

Conductor

RJ-48c Ring

Conductor

RJ-48c Tip

Conductor

USER 1 Tx 1 26 4 5

Rx 2 27 1 2

2 Tx 3 28 4 5

Rx 4 29 1 2

3 Tx 5 30 4 5

Rx 6 31 1 2

4 Tx 7 32 4 5

Rx 8 33 1 2

5 Tx 9 34 4 5

Rx 10 35 1 2

6 Tx 11 36 4 5

Rx 12 37 1 2

7 Tx 13 38 4 5

Rx 14 39 1 2

8 Tx 15 40 4 5

Rx 16 41 1 2

Table 2-8: Pinouts for RJ-21x and RJ-48c


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NOTE: The list of the T1/E1 connectors can be different from unit to unit. For more

information, see Unique Properties per CX-U1000 Unit on page 3-1.

There is also an open-ended RJ-21 cable that may be used. This CA /TC-M0-10 RJ-21M

(TELCO 50 pin male) to open-end CHAMP cable (10ft/3m) supports up to 12 balanced

T1/E1 connections. Table 2-9 shows the color code and the pinouts.

WAN 9 Tx 17 42 4 5

Rx 18 43 1 2

10 Tx 19 44 4 5

Rx 20 45 1 2

11 Tx 21 46 4 5

Rx 22 47 1 2

12 Tx 23 48 4 5

Rx 24 49 1 2

Pin Bare Wire Code Pin Bare Wire Code

1 Blue \ White 26 White \ Blue

2 Orange \ White 27 White \ Orange

3 Green \ White 28 White \ Green

4 Brown \ White 29 White \ Brown

5 Grey \ White 30 White \ Grey

6 Blue \ Red 31 Red \ Blue

7 Orange \ Red 32 Red \ Orange

8 Green \ Red 33 Red \ Green

9 Brown \ Red 34 Red \ Brown

10 Grey \ Red 35 Red \ Grey

Table 2-9: Pinouts for CA /TC-M0-10 RJ-21M to open-end CHAMP cable

Interface

Type

E1

CircuitDirection

RJ-21x Ring

Conductor

RJ-21x Tip

Conductor

RJ-48c Ring

Conductor

RJ-48c Tip

Conductor

Table 2-8: Pinouts for RJ-21x and RJ-48c


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RJ-48c CableWiring for

T1/E1

The T1/E1 connector follows the RJ-48c standard for the pinouts, as listed in Table 2-10.

11 Blue \ Black 36 Black \ Blue

12 Orange \ Black 37 Black \ Orange

13 Green \ Black 38 Black \ Green

14 Brown \ Black 39 Black \ Brown

15 Grey \ Black 40 Black \ Grey

16 Blue \ Yellow 41 Yellow \ Blue

17 Orange \ Yellow 42 Yellow \ Orange

18 Green \ Yellow 43 Yellow \ Green

19 Brown \ Yellow 44 Yellow \ Brown

20 Grey \ Yellow 45 Yellow \ Grey21 Blue \ Purple 46 Purple \ Blue

22 Orange \ Purple 47 Purple \ Orange

23 Green \ Purple 48 Purple \ Green

24 Brown \ Purple 49 Purple \ Brown

25 Grey \ Purple 50 Purple \ Grey

Pin Bare Wire Code Pin Bare Wire Code

Table 2-9: Pinouts for CA /TC-M0-10 RJ-21M to open-end CHAMP cable


1 Receive ring + Input

2 Receive tip - Input

3 -- --

4 TX ring + Output

5 TX tip - Output

6 -- --

7 -- --

8 -- --

Table 2-10: RJ-48c Pinouts for T1/E1 Interface


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Rear T1/E1

LEDs

The rear T1/E1 LEDs work slightly differently than those at the front of the unit, as

described in Table 2-2. The rear LEDs do not shine yellow to indicate a link alarm, instead

both the red and green LEDs go on at the same time. These rear T1/E1 LEDs are described

in Table 2-11.

NOTE: The layout of the T1/E1 ports can be different from unit to unit. For more

information, see Unique Properties per CX-U1000 Unit on page 3-1.

Redundancy

Connector

The HDB-44 female connector labelled CONTROL is the status and control port used

for the redundancy backplane. The backplane is discussed further in Optional

Backplanes on page A-1.

EIA-530 Serial

Interface

Connectors

The EIA-530 serial interface supports the V.35 standard. However, it uses a V.11 driver/

receiver for data and timing signals and an RS-530 connector (25 pin) for connection to

external devices. The connector is shown in Figure 2-3 and the pinouts are listed in Table

2-12.

NOTE: This port is DTE (Data Terminal Equipment) only. If two or more units are

connected back-to-back, a cable must be used to mate the appropriate signals..

T1/E1 Ports Colour LED

StateIndication

Green On The T1/E1 linkis up.


bothGreen

and Red

On Remote T1/E1failure (RAI orRDI).

none Off No links areconfigured.

Table 2-11: Rear T1/E1 LEDs (12 ports)

Figure 2-4: Male and Female 25-pin RS-530 Connectors

-ALE

&EMALE


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Pin

No.Signal Abbr.

Circuit

Implementation

Signal

DTE

Direction

DCE

Paired

With

1 Shield DGND 18

2 Transmitted Data TXD RS-485 out Out In 14

3 Received Data RXD RS-485 in In Out 16

4 Request to Send RTS RS-485 out Out In 19

5 Clear to Send CTS RS-485 in In Out 13

6 Data Set Ready DSR RS-485 in In Out 22

7 Signal Ground SGND 21

8 Data Carrier Detect DCD RS-485 in In Out 10

9 Return Receive Sig.

Element Timing

RS-485 inIn Out 17

10 Return DCD RS-485 in In Out 8

11 Return Transmit Sig.Element Timing

RS-485 outOut In 24

12 Return Transmit Sig.Element Timing

RS-485 inIn Out 15

13 Return CTS RS-485 in In Out 5

14 Return TxD RS-485 out Out In 2

15 Transmit SignalElement Timing

RS-485 in In Out 12

16 Return RxD RS-485 in In Out 3

17 Receive SignalElement Timing

RS-485 inIn Out 9

18 Local Loopback LL RS-232 out Out In 1

19 Return RTS RS-485 out Out In 4

20 Data Terminal Ready DTR RS-232 out Out In 23

21 Remote Loopback RL RS-232 out Out In 7

22 Return DSR RS-485 in &

RS-232 inIn Out 6

Table 2-12: Signal Pinouts for EIA-530 Port


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DC Power

Entry

The unit operates with a -48V DC single power supply with a dual entry. The entry

labelled A is the main and B is the redundant power entry. Please see Wiring the DC

Power Connector on page 5-16 for assembly instructions.

NOTE: Please use #16 gauge cable for DC power connections.

Power andStatus LEDs

These LEDs behave the same way as the Power and Status LEDs at the front of the unit.As extracted from Table 2-2:


V.35TX, RX




Table 2-13: Rear panel LED status


Power A, B Green On System power is on at a suitable level to ensureproper function.

Off The DC power feed is redundant, so this mayindicate the unit is simply unplugged, or:

there may be a system failure,

one of the redundant power supplies has

failed the DC plug or wiring has failed

the main input power has failed

Note: If the DC wires are inverted, the unit willstill operate. It is NOT recommended todeliberately invert the DC wires.

Table 2-14: Rear Panel LED Status


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2.4 About the DLP and DDLP cards

In addition to the hardware pre-installed on the motherboard of your unit, you can also add

extra daugthercards which add processing power to your unit. Each DSP on these

daughtercards can handle one or more T1/E1 ports, depending on which DSP application

is active.

For example, the EdgePlus DSP application can only handle one T1/E1 port, while the

AbisXpress DSP application can handle two T1/E1 ports.

NOTE: Other factors can influence the number of ports a DSP resource can support.

To determine the number of DLP/DDLP cards you need for your network,

please contact your Memotec representative.

There are two types of daughtercards you can add to your CX-U unit:

A DLP (Digital line processor) card has a single DSP resource that is used to

compress traffic.

The DDLP (Dual Digital line processor) has a dual DSP resources which doubles

the processing power. Only the CX-U1000 series of units (revision 6 or later)

supports the DDLP cards.

Figure 2-5: Top and Bottom of the DLP/DDLP chips

Top side of a DDLP chip (above)

Top side of a DLP chip (below)

Bottom side of a DDLP chip (above)

Bottom side of a DLP chip (below)

Connector

Connector


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The CX-U1000 series has two sockets to plug a mix of DLP and DDLP cards, although

these cards run more efficiently if their speed matches the soldered DSPs.

To see the speed of all the DSP resources for your CX-U device, type sysinfo on the

command line.

These cards can be added in any order. To install the DLP/DDLP cards, see Adding

DLPs or DDLPs to a Motherboard on page 5-6.

Part # Speed (Mhz)

DLP-00 600

DLP-01 720

DDLP-26 600

Table 2-15: Types of DLP/DDLP cards


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3

Memotec Inc. 3-1

Unique Properties per CX-U1000 Unit

The following section describes the unique specifications for the

following units:

CX-U1010

CX-U1220

CX-U1240

CX-U1280

For more information on the properties and specifications that

are common to all the units, see Overview of the CX-U1000

Units on page 2-1.


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3.1 CX-U1010 Unique Specifications

This section lists the properties and specifications that are unique to the CX-U1010 units.

3.1.1 Front Panel LEDs

Table 3-1 summarizes the behavior of the LEDs that are visible from the front of the unit.

Some of these LEDs have corresponding LEDs at the rear of the unit. Those are described

in CX-U1010 Rear Panel on page 3-5.

Figure 3-1: CX-U1010 unit front panel


Power A, B Green On System power is on at a suitable level to ensureproper function.

Off The DC power feed is redundant, so this mayindicate the unit is simply unplugged, or:

there may be a system failure,

one of the redundant power supplies hasfailed

the DC plug or wiring has failed

the main input power has failed

Note: If the DC wires are inverted, the unit willstill operate. It is NOT recommended todeliberately invert the DC wires.

StatusActive

Green On The unit is working properly and identifies theactive unit against the redundant units.

In stand-alone mode, this LED is on.

Off The unit is not working properly.

Note: If there are two units in a redundancysetup, the backup unit is fully opera-tional, even if this LED is off.



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StatusAlarm

Red On Indicates a red alarm, the unit is not operatingin its normal state.

Off There is no alarm.

V.35TX, RX




Ethernet1,2,3,4

Green On Front LEDs combine link and activity detection.When lit, data on the link is being exchanged.

This light is intermittent with the flow of traffic.

Off Data is not being exchanged, or there is no linkdetected.

WAN Green On End-to-end communication is validRed On No signal is being received

Yellow On Non-AIS alarm has been received from remoteequipment on the incoming WAN.

Blue On An AIS alarm was detected on the receivingside or it was generated by the CX-U after aloss of signal on the incoming WAN.

T1/E11-12

Green On The T1/E1 link is up.


Yellow On Non-AIS alarm has been received from theport.

Blue/Yellow Blink An AIS alarm was detected on the receivingside or it was generated by the CX-U after aloss of signal on the port.

None Off No links are configured.




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Console and

Ethernet Ports

There are two RJ-45 ports labelled CONSOLE and ETHERNET in the front of the unit.

They each have two integrated green LEDs, whose indications are described below in

Table 3-2. There is also a second console port and four other Ethernet ports at the rear of

the unit, these are described further in CX-U1010 Rear Panel on page 3-5.

*These are not labelled on the device, but labelled here for clarity.


ConsoleTX,RX*




EthernetLink*

Green On A steady green light indicates the link isup.

When the light flashes intermittently,there is activity on the port.

Off There is no Ethernet link detected.

EthernetSpeed*

Green On A 100 Mbps connection is detected.

Off A 10 Mbps connection is detected.

Table 3-2: Front Console and Ethernet LEDs

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3.1.2 CX-U1010 Rear Panel

Communication cables and the power cord connect to the CX-U1010 via the rear panel of

the unit. The following section describes all the panels features, in order as they appear

from left to right.

Rear T1/E1

LEDs


described in Table 3-1. The rear LEDs do not shine yellow to indicate a link alarm, instead

both the red and green LEDs go on at the same time (see Table 3-3).

3.1.3 Internal Clock Synchronizat ion

The CX-U1010 has an internal clock that features a high precision holdover capability that

provides BTS with accurate timing in case there is a synchronization reference loss.

Optionally, you can also use the GPS Module to establish a global timestamp.



LINK/ACT Green On A steady green light indicatesthe link is up.

When the light flashes inter-mittently, the port has activity.

Off There is no Ethernet linkdetected.

10/100 Green On A 100 Mbps connection isdetected.

Off A 10 Mbps connection isdetected.

Table 3-3: Rear Ethernet LEDs (4 ports)

,).+!#4

,).+!#4 ,).+!#4

,).+!#4


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3.2 CX-U1220/CX-U1240/CX-U1280 Unique Specifications

The following sections contain the properties and specifications that are unique to the CX-

U1220, CX-U1240, and CX-U1280 units.

Whenever possible, only the specific aspect has been listed, but in some cases, more

information has been included to provide context. In these cases, a note has been added to

flag what is unique to the CX-U1220/CX-U1240/CX-U1280 unit.

3.2.1 CX-U1220/CX-U1240/CX-U1280 Front Panel

The front panel, as shown in Figure 3-3, has a series of status indicating LEDs. The front

console and Ethernet ports (on the right) also have two LEDs each, integrated into the

jack.

The front panel of the CX-U1220/CX-U1240/CX-U1280 features 12 T1/E1 LEDs. For

more information about their corresponding jacks, see Rear T1/E1 LEDs on page 3-7.

3.2.2 CX-U1220/CX-U1240/CX-U1280 Rear Panel

Communication cables and the power cord connect to the CX-U1220/CX-U1240/CX-

U1280 via the rear panel of the unit. The following section describes all the panelsfeatures, in order as they appear from left to right.

Figure 3-3: CX-U1240 Front View



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Rear T1/E1

LEDs


described in Table 3-1. The rear LEDs do not shine yellow to indicate a link alarm; both

red and green LEDs go on at the same time. These LEDs are described in Table 3-1.

3.2.3 Internal Clock Synchronizat ion

It is recommended that you use a third-party equipment (through one of the E1 ports) todetermine the internal clocking for the CX-U1220/CX-U1240/CX-U1280 units.

Optionally, you can also use the GPS Module to establish a global clock synchronization

(see GPS Module Solution on page 4-1).

T1/E1 Ports Colour LED

StateIndication

Green On The T1/E1 link isup.

Red On T1/E1 loss of signal(LOS).

bothGreen

and Red

On Remote T1/E1 fail-ure (RAI or RDI).

bothGreen

and Red

Blink An AIS alarm wasdetected on thereceiving side or itwas generated bythe CX-U after aloss of signal on theport.

none Off No links are config-ured.

Table 3-4: Rear T1/E1 LEDs (12 ports)


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4.1 GPS Clock Solution

The CX-U GPS clock solution (GPS-CLK-2) provides remote locations with an accurate

timing source when the clock reference cannot be economically carried. The GPS solution

is composed of three main components: the GPS clock module, the GPS antenna, and the

surge (lightning) protection device, which are described in the following sections. Figure4-1 shows these main components, as well as cables, adaptors and connectors required to

setup the entire GPS solution.

4.1.1 GPS Clock Module

This small module, shown in Figure 4-2, mounts directly onto the CX-U motherboard. It is

specifically designed for use in remote synchronization and timing applications. The

reference synchronization is highly accurate and can achieve full PRC MTIE

performance. It has a self-survey mode of operation that allows the module to provide

accurate timing even with only one satellite being tracked. It provides reference timing to

all T1/E1, serial links (V.35/EIA-530) and external equipment using the SYNC Output.

Table 4-1 summarizes its specifications. For instructions on installing the module, please

see Adding a GPS Module on page 5-11.

Figure 4-1: Schematic Diagram of the GPS Solution

ConnectorTNC Male

ConnectorTNC Female

AntennaGain 33dB

Cable lenght 100FtLoss 13.5dB

Adapter TNC fe-male to SMA male

CX-U unit

Lightning ProtectionLoss 0.1dB

Adapter SMA femaleto SMA female

Figure 4-2: The GPS Clock Module


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4.1.2 GPS Antenna for CX-U Devices

The GPS antenna, shown in Figure 4-3, is a high-performance active antenna suited for

applications requiring low noise and excellent gain. The product functions to

specifications over the entire operational voltage and temperature range at a minimalcurrent draw. The product includes high frequency selectivity to avoid interference with

other nearby transmitters. It is mounted into the CX-U device, and does not require extra

rackmount space. Table 4-2 summarizes some of the antennas specifications.

Specification Type Definition/Value

Dimensions 60mm (D) x 40mm (W) x 10mm (H)

Operating Temperature -10 to 65C (32 to 149F)

Sensitivity (Acquisition & Tracking) -185dBW

Acquisition Time Stand Alone (Outdoor) Cold:


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4.1.3 Surge Protection Device

The compact 20KVA protection device, shown in Figure 4-4, protects against power

surges caused by lightning. Its specifications are listed in Table 4-3.

Cable The cable used is a Belden 9258 (RG-8/X type): Outside diameter 0.242 inch, 13.5dB loss

per 100 feet at 1GHz.


Operating Temperature -40 to 85C (-40 to 185F)

Frequency Range 1570 - 1580 MHz

Gain Element: 3 dBicLNA: 33 dB

Selectivity -24 dB (+/- 50MHz)

DC operational Input Voltage 3 to16 VDC

Table 4-2: GPS Clock Antenna Specifications

Figure 4-4: Surge Protection Device


Insertion Loss 0.1 dB

Protection & Surge Side Connector TNC Female

Frequency 800 - 2500 MHz

Table 4-3: Surge Protection Device Specifications


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5

Memotec Inc. 5-1

Installation and Configuration

This section provides step-by-step procedures to install and

configure the hardware components of the CX-U. These

procedures prepare the CX-U for further configuration through itsresident software.

It is very important to GROUND yourself in order to protect the

device from damage due to Electrostatic Discharge (ESD).

WARNING: Read this chapter carefully before performing work on the CX-U.

WARNING: All CX-U1000 units must be installed in Restricted Access Locations (RAL).

WARNING: These procedures must be performed only by qualified service personnel.


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5.1 Installation Preparations

The CX-U1010 and CX-U1240 fit in a standard rack, as well as the CX-U1280 and the

CX-U1220. The mounting brackets and screws are shipped with the units.

5.1.1 Unpacking and Inspecting the Units

When you receive your shipment, you should confirm its contents.

To unpack and inspect the units:

1. Examine the shipping boxes and note if there is any damage.

2. Open the shipping boxes and match their contents with the packing slip. If necessary,

make a list of any discrepancies.

3. Examine the exterior of the chassis and cover for cracks, scratches or other signs of

damage. You should fully describe the type, amount and location of damage.

4. Store the shipping boxes and protective foam for future use.

5. Inform your sales representative of shipping discrepancies or damage.

5.1.2 Opening and Closing the Chassis

Installing additional DLPs or DDLPs requires that you first remove the CX-U1000s

cover, then replace it when the work is done.

To open and close the chassis:

1. Disconnect all network connections.

2. Disconnect the power cord.

3. Ground yourself to protect the unit from electrostatic discharge (ESD).

4. Position the unit so it faces you. Remove the five Phillips-head screws located on the

top of the chassis, see Figure 5-1.

5. Remove the eight Phillips-head screws located on the bottom of the chassis.

6. Slide the base of the unit out by the back. Be careful no to damage the LEDs at the

front of the unit.

7. When you have completed work inside the chassis, slide the base of the unit back by

the rear of the unit. Be careful not to damage the LEDs at the front of the unit, use

caution when fitting them back into their openings.

8. Replace the eight bottom retaining screws, then the five top screws.


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Figure 5-1: Opening the CX-U Series Unit


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5-4 Memotec Inc.

5.1.3 Adding a Redundant Backplane to Two Units

Adding a Redundant Backplane requires that you have two CX-U units, stacked one atop

the other.

1. Remove the Redundant Backplane from its packaging (if you have not already done

so).

2. Carefully line up all connectors located at the rear of the units, and push the backplane

into place.

3. Fasten the ten retaining screws, to ensure all interface connectors have solid contact

with the backplane.

NOTE: If you also have the protective plates, you need to add them after the back-

planes. For more information, see Protective Plates on page A-12.

Figure 5-2: Attaching the Redundant Backplane


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Memotec Inc. 5-5

5.1.4 Removing a Faulty Uni t

This procedure assumes you have followed the instructions in Adding a Redundant

Backplane to Two Units on page 5-4 and one of the two units has failed. In a typical

setup, the top unit handles the traffic (master or main CX-U), except when a failure is

detected on it. The bottom unit is the backup or slave CX-U.

For this procedure, call Unit A the failed unit, and Unit B the redundant backup that

takes over.

1. It is mandatory that Unit A has been powered off when connecting and disconnecting

from the backplane. This ensures that any traffic being carried in Unit A will

automatically shift to Unit B.

2. Remove the five retaining screws from the Unit A, and put them aside for later use.

3. Remove the front rackmount screws, then carefully separate the backplane from Unit

A.

Removing and installing the top unit can be performed by one person. However,

removing and installing the bottom unit requires two people. When the front

rackmount screws have been removed from the bottom unit, it is no longer supported,

a second person is needed to hold the bottom unit during the procedure.

4. Replace Unit A with another unit.

5. Replace the five retaining screws.

You may consult the Status Active LEDs (shown in Figure 2-2 in Chapter 2) to help

determine which unit is carrying traffic.
http://cx-u1010%20chassis.pdf/http://cx-u1010%20chassis.pdf/http://cx-u1010%20chassis.pdf/http://cx-u1010%20chassis.pdf/


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5-6 Memotec Inc.

5.2 Adding DLPs or DDLPs to a Motherboard

Follow these instructions for adding DLPs or DDLPs to a motherboard. For more

information about DLPs and DDLPs, see About the DLP and DDLP cards on page 2-18.

1. Follow the instructions outlined in Opening and Closing the Chassis on page 5-2

for opening the chassis.

2. Remove the DLP/DDLP from its packaging (if you have not already done so).

3. Make sure the front of the unit is facing you, and locate DLP#1 silk-screened on

the motherboard.

To find the DLP/DDLP locations on your motherboard based on your device, see the

following sections:

Locating the DLPs on the CX-U1000 devices (Rev 6) on page 5-8

Archives: Locating DLPs on Previous Versions on page 5-9

4. Gently pull the tops of the two black retainer clips back and slide the DLP/DDLP

underneath. Line up the connector on the bottom of the DLP/DDLP to the connector

on the motherboard. This should also line up the hole on the DLP/DDLP with the

metal post fitted on the motherboard.

Figure 5-3: Locating the D/DLP connectors and fasteners

D/DLP

connectors

Screw the chips

into place using

these fasteners

Rear

Front


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5-8 Memotec Inc.

5.2.1 Locating the DLPs on the CX-U1000 devices (Rev 6)

Figure 5-5: Adding DLP/DDLP chip sets to the CX-U1000 series of motherboards

The DLP/DDLP chip sets sit on top of the

motherboard, fitting in the connector and secured

with screws in the fasteners.

Connector Fastener

Depending on the model, you can

have up to eight DSP chips pre-

installed on the motherboard


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Memotec Inc. 5-9

5.2.2 Archives: Locating DLPs on Previous Versions

In this section, you can see where the DLP chips were found in previous configurations of

the CX-U boards. This section is for legacy purposes only.

CX-U1010

device, rev 1,2, and 3

CX-U1010

device, rev 4

and 5

Figure 5-6: DLP positions on a CX-U1010 device (rev 1, 2, and 3)

Rear

Front

Figure 5-7: DLP positions on a CX-U1010 device (rev 4 and 5)

Rear

Front


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5-10 Memotec Inc.

Locating the

DLPs on a CX-

U1240 device

(Rev 1 to 5)

Figure 5-8: DLP positions on a CX-1240

Rear

Front


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5-14 Memotec Inc.

5.4 Vertically Mounting CX-U Units

In certain cases, it is recommended that you mount the CX-U units vertically. For more

details, please consult the Product Information Note entitledThermal Management When

Installing the CX-U1240 In The Hub which is available on the Memotec product CD, or

directly from Memotec.

5.4.1 Vertically Mounting CX-U Units

Please follow these instructions for vertically mounting CX-U units. This procedure

assumes that you have followed all necessary procedures outlined above for your

application, such as in Adding DLPs or DDLPs to a Motherboard on page 5-6 (for

adding DLPs) orAdding a Redundant Backplane to Two Units on page 5-4 (for adding

redundant backplanes), as they apply to you, and are ready to mount the units onto a rack.

This procedure also assumes that you have ordered and received a fuse panel (CB-

PWXHD-3), and the CX-U vertical mounting hardware (CB-UVMH-10, consisting of a

pair of rails to hold up to ten CX-U units vertically). You will also need a heat deflector.

NOTE: Vertical mounting of CX-U units are recommended when operating above an

ambient temperature of25C. The harsh conditions or the cabling on each

side of the units can limit the air flow within the units.

The NEBS recommended operation temperature is 5C to 40C.

To vertically mount a CX-U unit, follow these steps:

1. Install the fuse panel by fastening the four Phillips screws into place.

2. Below the fuse panel, install the CX-U vertical mounting rails onto your standard 40/

44 U rack by fastening the four Phillips screws into place.

3. Place the CX-U units, one at a time (or, in a redundant setup, two at a time) by

carefully turning them vertically, making sure the Memotec logo is on the bottom.

4. Fasten the four retaining screws to the vertical mounting rails.

5. Repeat until all units are installed (10 units maximum per row).

6. If you are installing more than ten units, add the heat deflector below the first row of

ten CX-U units. Tighten all retaining screws to the rack.

7. Repeat steps 1-6 for the next ten units (if necessary).

8. Repeat, if necessary, for the last ten units.

Up to three rows of ten CX-U units can be mounted onto a standard 40/44 U rack. Each

row should be separated by a heat deflector, ensuring all units receive fresh air from the

bottom. See Figure 5-12 to see an actual setup.


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5-16 Memotec Inc.

5.5 Connecting the Unit to a Power SourceThe DC power connector is comprised of a three-position screw connection plug

component enclosed by cable housing. An assembled cable is shown in Figure 5-13

(housing cover is removed for illustration purposes).

WARNING: The CX-U unit requires that the buildings electrical installation has a 10-amp

maximum overcurrent breaker protection.

WARNING: The power feeds must be disconnected to remove all power from the unit.

5.5.1 Wiring the DC Power Connector

The DC power connector should be made with #16 gauge cable. As illustrated in Figure 5-

14, the three wires must follow this sequence (from left to right): -48V, return, ground.

Please follow this procedure for wiring the DC power connector.

Figure 5-13: Power Entry Connector

Figure 5-14: Wiring for the DC Connector

6

'.$

24.


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Memotec Inc. 5-17

1. Place the -48V wire into the first position on the left. Fasten the retaining screw (just

above the opening) to secure the wire into place.

2. Connect the return wire to the middle position. Fasten the retaining screw to secure

the wire into place.

3. Connect the ground wire to the last position (on the right). Fasten the retaining screw

to secure the wire into place.

NOTE: Be sure to connect the RTN to GND on the user side.

4. Place the plug component into the bottom cover of the cable housing. See Figure 5-

15.

5. Pass the tip of the tie wrap down through one of the openings at the bottom cover of

the housing. Run it underneath, then pass the tie wrap up through the second opening.Fasten the tie wrap to itself and snugly over the wire, securing it into place. See Figure

5-13 for what the end result should look like.

6. Close the housing by lining up the tabs on the top cover with the bottom cover. Gently

push the two halves together until they click into place.

Figure 5-15: Cable Housing

"OTTOM

4OP

4IE7RAP


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5-18 Memotec Inc.

5.6 Connecting the CX-U Console to a PC

Console cables (CBLH-CONS) can be ordered separately. Please contact your sales

representative.

WARNING: Memotec console cables designed to work with CX equipment will NOT work

with CX-U devices.

RJ-45 to DB-9

Console Cable

The console cable has an RJ-45 plug on one end and a DB-9 adapter on the other, as

shown in Figure 5-16.

The pinouts for the console cable are shown in Table 5-1:

Figure 5-16: Console Port Cable with RJ-45-to-DB-9 Adaptor

Console Port

(DTE) SignalRJ-45 Pins

Console Device

SignalDB-9 Pins

TxD 3 RXD 2

GND 5 GND 5

RxD 6 TXD 3

Table 5-1: Pinouts for RJ-45-to-DB-9 Connections


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6

Memotec Inc. 6-1

Recording System Configuration

This chapter describes how to configure the system information

for your hardware and software accurately.

This process ensures that Memotec can respond quickly and

effectively to service requests.


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6-2 Memotec Inc.

6.1 Identifying the Hardware Revision of a CX-U Device

The procedure for identifying hardware revision numbers is the same for all CX-U

devices:

1. Open the chassis by following the steps detailed in 5.1.2Opening and Closing the

Chassis on page 5-2.

2. The Memotec hardware revision number is silk-screened on the motherboard. Take

note of the number and follow the same procedure to close the chassis.

Figure 6-1: Locating the Revision number


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Recording System Configuration

Memotec Inc. 6-3

6.2 Identifying the Software Revision of a CX-U Device

You can use CXAccess to find the software revision of the CX-U1010 and CX-U1240. A

breakdown of the software revision format follows:

6.2.1 Using CXAccess via Remote Access

1. Launch CXAccess.

2. Click theAdd Device icon to add a device. The following screen will appear:

3. Enter the devices configuration information click OK:

Device IP Address: the IP address for the device.

Description: the name of the unit (its model number or other identifying name).

Device Password: the password will already be filled in (default password is

supervisor).

Connection Type: there are two possible connection types:

- Telnet: a Transmission Control Protocol (TCP) connection used to transmit

data with interspersed TELNET control information.

Figure 6-2: Software Revision numbers

&;8)4

,GHQWLILHVWKHXQLWW\SH

DQGDSSOLFDWLRQUXQQLQJ 6RIWZDUH5HOHDVH

6RIWZDUH9HUVLRQ

Figure 6-3: Device dialog box


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6-4 Memotec Inc.

- RTTY: a telecommunications system consisting of two or more teleprinters

using radio as the transmission medium.

Port: the UDP port for Telenet (default 23)

The CXAccess window appears.

4. To connect to the unit, double-click it to connect to it or select it and clickConnect

.

5. Type module at the command line prompt, then press Enter. This will yield the

software revision information (as shown in the figure below).

6.2.2 Using CXAccess via the Console Port

1. Launch CXAccess.

2. Expand My Computer on the left portion of the screen. This will show all the COM

ports.

3. Select the COM port that is connected to the Console port of the unit and double-click

it to connect to it or clickConnect .

4. You will be prompted for a password. Type supervisorthen press Enter (the password

will not appear on the screen as you type).

5. Type module at the command line prompt and press Enter. The software revision

information appears in the window.

Figure 6-4: The results of the module command


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7

Memotec Inc. 7-1

Obtaining Optional Activation Codes

This chapter will instruct you on how to retrieve serial numbers

and other mandatory product information required from you in

order to be eligible to receive activation codes.

Activation codes are required in order to access certain

additional features with your CX-U Series equipment. Please

contact your sales representative for instructions on how to

obtain the codes.


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7-2 Memotec Inc.

7.1 Identifying the Serial Number of a CX-U Device

There are two serial numbers assigned to each unit: one is outside, the other is inside the

chassis. Either of these serial numbers can be used to obtain activation codes.

The Outside Serial Numberappears on a sticker at the rear of the unit.

The Inside Serial Numbercan be obtained by using the sysinfo command, as

outlined in Method 1 andMethod 2.

Method 1: Identifying the Inside Serial Number Using CXAccess Remotely

1. Launch CXAccess.

2. Click the Add Device icon to add a device. The following screen appears:

3. Enter the devices IP address in the first box. Then enter the name of the unit in the

Description box. The password will already be filled in (default password:supervisor). Click OK.

4. Double-click it to connect to it or select it and click the Connect button.

Figure 7-1: Device dialog box


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Obtaining Optional Activation Codes

Memotec Inc. 7-3

5. Type sysinfo at the command line prompt, then press Enter. This will yield the serial

number (SNO) and other system information (as shown in the figure below).

Method 2: Identifying the Inside Serial Number Using CXAccess via the

Console Port

1. Launch CXAccess.

2. ExpandMy Computeron the left portion of the screen. This will show all the COM

ports.3. Double-click it to connect to it or select the COM port and click the Connect

button

4. You will be prompted for a password. Type supervisorthen press Enter (the password

does not appear on the screen as you type).

5. Type sysinfo at the command line prompt, then press Enter. This will yield the serial

number, and other system information.

Figure 7-2: The results of the sysinfo command

Serial Number


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A

Memotec Inc. A-1

Appendix A: Optional Backplanes

The CX-U Series offer additional functionality, like redundancy

and line bypass support, via optional backplanes. Characteristicsof the different types of backplanes available are discussed in

this appendix.


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A-2 Memotec Inc.

A.1 The CX-B2L04T & CX-B2L12T Redundant Backplanes

These backplanes implement redundancy support for both 4-port (the CX-B2L04T) and

12-port (the CX-B2L12T) applications, with the added feature of having coaxial

connectors (BT-43) for E1 applications. The 12-port version (CX-B2L12T) is illustrated

in Figure E-1.

These backplanes convert the impedance type from 120 to 75 Ohm for connections

between the RJ-21 connector to the BT-43 (or SMZ) coaxial connectors.

For instructions on adding the redundancy backplane, please see Adding a

Redundant Backplane to Two Units on page 5-4.

For instructions on how to replace a unit, please see Removing a Faulty Unit

on page 5-5.

If you also have the protective plates, you need to add them after the backplanes.

For more information, see Protective Plates on page A-12.

NOTE: The backplane is also compatible with CX-U1000 series of units.

Figure E-1 The 12 Port CX-B2L12T Redundant Backplane


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Optional Backplanes

Memotec Inc. A-3

A.1.2 CX-B2L04T Backplane Connectors

The CX-B2L04T redundancy backplane has 13 connectors, as illustrated in Figure E-3:

two HDB44 (male) connectors that carry redundancy control signals between the

CX-U units and the backplane

two RJ-21 (male) connectors that carry E1 signals to each CX-U unit

eight BT-3 coaxial connectors for E1 interfaces (4 RX, 4 TX)

one DB-15 (male) for the alarm signals (pinouts are listed in Table A-1)


The CX-B2L12T redundancy backplane has 29 connectors, as illustrated in Figure E-5:




24 BT-3 coaxial connectors for E1 interfaces (12 RX, 12 TX)


Figure E-3 The CX-B2L04T Backplane Connectors

4()33)$%&!#%3/544()33)$%#/..%#437)4(4(%2%!2/&5.)43!"

2*CONNECTORS% #OAXIALCONNECTORS%

($"CONNECTORSREDUNDANCYCONTROLSIGNALS

$"CONNECTORALARM


4()33)$%&!#%3/544()33)$%#/..%#437)4(4(%2%!2/&5.)43!"

2*CONNECTORS% #OAXIALCONNECTORS%


$"CONNECTORALARM


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A-6 Memotec Inc.


The CX-B1L12T backplane has 26 connectors, as illustrated in Figure E-5:

one HDB44 (male) connector that carries signals from the unit to the backplane

one RJ-21 (male) connector that carries E1 signals to the CX-U unit

24 SMZ coaxial connectors for E1 interfaces (12 RX, 12 TX)


4()33)$%&!#%3/544()33)$%#/..%#437)4(4(%2%!2/&4(%5.)4

2* CONNECTOR% #OAXIALCONNEC TORS%($"CONNECTOR


81/108

A.3 The CX-B2L04R & CX-B2L12R RedundantBackplanes

These backplanes implement redundancy support for both 4-port (the CX-

B2L04R) and 12-port (the CX-B2L12R) applications. The CX-B2L04R has the

added feature of having four RJ-48c connectors mounted on board, as shown in

Figure E-1.

A.3.2 CX-B2L04R Backplane Connectors

The CX-B2L04R redundancy backplane has ten connectors, as illustrated in

Figure E-3:

two HDB44 (male) connectors that carry redundancy control signals

between the CX-U units and the backplane


one RJ-21 (female) connector for E1 signals (pinouts are listed in Table

A-1)

four 4 RJ-48c (female) connectors for E1 signals


Figure E-1 The 4 Port CX-B2L04R Redundant Backplane


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A-8 Memotec Inc.

RJ-21 Connec-

tor Pinouts

Table A-1 lists the RJ-21 female connector pinouts.

A.3.4 CX-B2L12R Backplane Connectors

The CX-B2L12R redundancy backplane has six connectors, as illustrated in Figure E-5:




one RJ-21 (female) connector for E1 signals (pinouts are listed in Table A-1)

Figure E-3 The CX-B2L04R Backplane Connectors

4()33)$%&!#%3/544()33)$%#/..%#437)4(4(%2%!2/&5.)43!"

2*CONNECTORS%2*CONNECTORS% 2*CCONNECTORS%


$"CONNECTORALARM

Pin # Signal Pin # Signal

1 TX_RING1 26 TX_TIP1

2 RX_RING1 27 RX_TIP1







Table A-1 RJ-21 Female Connector Pinouts


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Optional Backplanes

Memotec Inc. A-9


RJ-21 Connec-

tor Pinouts

Table A-1 lists the RJ-21 female connector pinouts.

Figure E-5 The CX-B2L12R Backplane Connectors

4()33)$%&!#%3/544()33)$%#/..%#437)4(4(%2%!2/&5.)43!"

2*CONNECTORS%2*CONNECTORS%


$"CONNECTORALARM

Pin # Signal Pin # Signal

















Table A-1 RJ-21 Female Connector Pinouts


84/108


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86/108


A-12 Memotec Inc.

A.5 Protective Plates

You must attach protective metal plates to the back of the unit, directly behind the

backplanes. These metal plates help to protect the backplanes from any physical damage,

as well as prevent you from inadvertently shorting them out (for example, with a

screwdiver), which could cause link interruptions.

To attach these protective plates, you can re-use the screws that hold the backplanes in

place. Included in each protective plate kit are metal separators that you must placebetween the backplane and the protective plate.

Figure 1-1: Protective plates attached to the backplanes

Protective plates

fit on top of thebackplane using

the backplane

screws.

With this backplane Using this protective plate

CX-B1L12T, CX-B1L04T MEMP34002326-1

CX-B2L12T, CX-B2L04T MEMP34002327-1

CX-B2L04R MEMP34002328-1

CX-B2L12R MEMP34002329-1

Table 1-1 : Backplane to protective plate correspondances


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Optional Backplanes

Memotec Inc. A-13

To attach the protective plate to a unit that already has a backplane installed, follow these

steps:

NOTE: If this is a new installation of this unit, the backplane may not be pre-installed.

You can skip to Step 2.

1. Remove the screws that attach the backplane to the unit.

2. Attached the backplane for this unit using the the separators that come with the

protective plate.

For more information on the backplanes, see the first three sections of this Appen-

dix:

The CX-B2L04T & CX-B2L12T Redundant Backplanes on page A-2

The CX-B1L04T & CX-B1L12T Backplanes on page A-5

The CX-B2L04R & CX-B2L12R Redundant Backplanes on page A-73. Place the protective plate over the backplane, lining up the holes with the separators.

4. Fasten the protective plate to the backplane using the backplane screws.

Figure 1-2: Placing the separators between the plate and the backplane


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A-14 Memotec Inc.


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B

Memotec Inc. B-1

Appendix B: Warranty and Notifications

This appendix explains the conditions of the product warranty, as

well as listing the applicable advisements, directives, andnotifications from the following administrative bodies:

Federal Communications Commission (FCC)

Administrative Council for Terminal Attachments

(ACTA)

Industry Canada (IC)

European Union (EU)


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B-2 Memotec Inc.

Memotec Standard Warranty Policy

[Version 1.5 09032008 draft]

This warranty is in lieu of all other warranties, expressed or implied and no representative

or person is authorized to assume for Memotec any other liability in connection with the

sale of the Product and Software.

IN NO EVENT SHALL MEMOTEC BE LIABLE, WHETHER IN CONTRACT OR IN

TORT OR ON ANY OTHER BASIS, FOR ANY DAMAGES SUSTAINED BY THE

DISTRIBUTOR/ BUSINESS PARTNER OR ANY OTHER PERSON ARISING FROM

OR RELATED TO LOSS OF USE, FAILURE OR INTERRUPTION IN OPERATION

OF ANY PRODUCTS, OR DELAY IN MAINTENANCE OR FOR INCIDENTAL,

CONSEQUENTIAL, INDIRECT OR SPECIAL DAMAGES OR LIABILITIES, OR

FOR LOSS OF REVENUE, LOSS OF BUSINESS OR OTHER FINANCIAL LOSS

ARISING OUT OF OR IN CONNECTION WITH THE SALE, LEASE,

MAINTENANCE, USE PERFORMANCE, FAILURE OR INTERRUPTION OF THE

PRODUCTS.

Hardware Warranty

Memotec warrants each new Product sold by Memotec will be free from defective

material and workmanship. Memotec agrees to remedy in accordance with terms specified

below any such defect which is disclosed under conditions of normal installation, use and

service. To exercise the warranty the Distributor/Business Partner or any person or

corporation which purchases such Product from the Distributor/Business Partner (end-

user) or directly from Memotec must deliver the product intact for examination, with all

transportation charges prepaid, to the facility designated by Memotec. Burden for all

shipping costs back to Memotec are the responsibility of the Customer.

Returns for repair will NOT be accepted without prior authorization from Memotec. When

a return is authorized, a Return Authorization number (RA number) is assigned. The RA

number must be written on the outside of each returning package. An RA number may be

obtained by sending an e-mail (including a description of the problem) to

[email protected] or a fax at: +1-514-738-4436. The e-mail (or fax) will be

processed, and an RA form will be returned. An RA number may also be obtained directly

from Memotecs web site: http://www.memotec.com (support/service dialog box).

The specific terms of the warranty are as follows:

1. The Standard Warranty Period commences on the date the title of property of the unit

or equipment is transferred to the customer, which is equal to the delivery date of theunit/equipment to the customer as per the Incoterms 2000 definition, as specified in

the Purchase Order.

2. The warranty applies to the Distributor/Business Partner (or direct purchaser),

provided however, that when Distributor/Business Partner resells any Products,


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Warranty and Notifications

Memotec Inc. B-3

pursuant to its rights hereunder, the said warranty shall apply to any end-users which

purchase such Products from Distributor/Business Partner;

3. Memotec will be responsible for both material and labor required to effect all repairs

under terms of the warranty for the Standard Warranty Period (see section below for

Standard Warranty Period for specific Memotec product lines, providing the unit is

returned to Memotec as specified above; and

4. During the Standard Warranty Period, the Distributor/Business Partner or end-user

may return defective parts for replacement at no charge (except shipping to

Memotec), in lieu of returning the complete Product. This warranty does not apply if:

a) Any part of a product that has been installed, altered, repaired, or misused in

any way that, in the opinion of Memotec, would affect the reliability or detracts

from the performance of any part of the product, or is damaged as the result of

use in a way or with equipment that had not been previously approved by

Memotec.

b) The warranty seal has been broken or the unit has been opened without

obtaining authorization in writing from Memotec.

c) The Product has had the serial number altered, defaced or removed, or

d) The Product has been damaged by accessories, peripherals, and/or other

attachments not approved by Memotec.

5. The warranty does not cover damage or loss incurred in transportation of the product

shipped back to Memotec.

6. The warranty does not cover any labor involved in the removal and or reinstallation

of warranted equipment or parts on site, or any labor required to diagnose the

necessity for repair or replacement.

7. The warranty excludes any responsibility by Memotec for incidental or consequential

damages arising from the use of the equipment or products, or for any inability to usethem either separate from or in combination with any other equipment or products.

8. It is the Distributor/Business Partners (or direct purchasers) responsibility to ensure

all paperwork complies with customs requirements.

9. Memotec is not responsible for any storage fees that shipping companies may charge

nor for any delay caused by lack of information on equipment that is returned.

10. The Distributor/Business Partner (or direct purchaser) is responsible for all customs

and ship

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