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Copyright © 2011 Huawei Technologies Co., Ltd. All rights reserved.
英文标题 :40-47pt
副标题 :26-30pt
字体颜色 : 反白内部使用字体 :
FrutigerNext LT Medium
外部使用字体 : Arial
中文标题 :35-47pt
字体 : 黑体 副标题 :24-28pt
字体颜色 : 反白字体 : 细黑体
OptiX RTN 900 V100R003 Routine Maintenance
Copyright © 2011 Huawei Technologies Co., Ltd. All rights reserved. Page2
Objectives
Upon completion of this course, you will be able to:
Outline the general safety precautions of OptiX RTN
900
List the routine maintenance items of OptiX RTN 900
Implement the maintenance operation of OptiX RTN
900
Judge the common faulty in OptiX RTN 900
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Contents
1. Safety Precautions
2. Routine Maintenance
3. Common Maintenance Operations
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General Safety Precautions The local rules and regulations
When operating the equipment, the personnel must
obey the local rules and regulations. The safety
precautions provided in the documents are in
addition/supplementary to the local laws and
regulations.
Basic Requirements for Installation
The installation and maintenance personnel of RTN 900
equipment must be familiar with the proper operation
methods and safety precautions before any operation
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General Safety Precautions (Cont.) Grounding Requirements
When installing the device, always connect the grounding
facilities first. When removing the device, always
disconnect the grounding facilities last.
Ensure that the grounding conductor is intact.
Do not operate the device in the absence of a suitably
installed grounding conductor.
The device must be connected to the PGND permanently.
Before operating the device, check the electrical
connections of the device, and ensure that the device is
properly grounded.
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General Safety Precautions (Cont.) Human Safety
Do not operate the equipment and cables in the case of lightning
To avoid electric shocks, do not connect safety extra-low voltage
(SELV) circuits to telephone-network voltage (TNV) circuits.
Do not look into optical ports without eye protection. Otherwise,
human eyes may be hurt by laser beams.
Before operating the device, wear an ESD protective coat, ESD
gloves, and an ESD wrist strap. In addition, you need to get off the
conductive objects, such as jewelry and watches, to prevent electric
shock and burn.
In case of fire, escape from the building or site where the device is
located and press the fire alarm bell or dial the telephone number for
fire alarms. Do not enter the burning building again in any situation.
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General Safety Precautions (Cont.) Equipment Safety
Before any operation, install the device firmly on the
ground or other rigid objects, such as on a wall or in a rack.
When the system is working, ensure that the ventilation
hole is not blocked.
When installing the front panel, use a tool to tighten the
screws firmly, if required.
After installing the device, clean up the packing materials.
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Highly Dangerous Maintenance Operations Precautions for handling the toggle lever switch on
the IF board
Turn on the toggle lever switch
Turn off the toggle lever switch
1.Pull it out slightly 2.Turn it 3.Release it
1.Pull it out slightly 2.Turn it 3.Release it
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Highly Dangerous Maintenance Operations (Cont.) Precautions for handling the IF Jumper or IF Cable on
IDU Side
Turn off the ODU-PWR
switch on the IF board.
Connect or disconnect
the IF jumper or IF cable
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Highly Dangerous Maintenance Operations (Cont.) Precautions for handling the IF Cable on ODU Side
Turn off the ODU power
switch on the IF board
Install or remove the
IF cable.
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Highly Dangerous Maintenance Operations (Cont.)
Page11
Precautions for handling the IF board
Turn off the ODU power switch on the IF board
Disconnect the IF cable or IF jumper
Remove or install the IF board
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Contents
1. Safety Precautions
2. Routine Maintenance
3. Common Maintenance Operations
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Contents
2. Routine Maintenance
2.1 Field Maintenance Items for Indoor Equipment
2.2 Field Maintenance Items for Outdoor Equipment
2.3 Routine Maintenance Items Carried Out Through the
NMS
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Observing the indicators SRV indicator on all boards: indicates status of services
Red color: critical or major alarm
Yellow color: minor or remote alarm
Green color: no alarm
Off: no service configured or power off
STAT indicator on all boards: indicates status of the boards
Green color: board running normally
Red color: board has hardware fault
Off: board not running, not be created in NMS or power off
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Observing the indicators (Cont.) RMT indicator on IF board: indicates bit errors on
microwave
Yellow color: The remote equipment has a Remote Defect
Indication (RDI)
ODU indicator on IF board: indicates status of the ODU
Green color: ODU running normally
Red color: ODU has hardware fault
Link indicator on IF board: indicates status of MW link
Green color: MW link is normal
Red color: MW link is abnormal
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Testing the orderwire phone
Making a call to other site
The dial tone should be clear after pick up the phone
The ringing tone should be clear after dial the number
If remote site answered the call, the voice should be
clear without noise
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Cleaning the equipment room
It is recommend to clean the equipment room once
every two months
Temperature: –5℃ to 60℃
Humidity: 5% to 95%
Disaster protection
Clean the equipment room
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Field Maintenance Items for Outdoor Equipment It is recommend to perform the operations in every
half a year or carry out a complete check after a
level-8 or higher hurricane, an earthquake, or other
exceptional circumstances
Checking the ODU
Checking the hybrid coupler
Checking the antenna
Checking the IF cable
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Checking the ODU
Protection area of the lightning arrester
Connections between ODU to hybrid coupler and antenna
Water-proof checking for the interfaces
Status of protection grounding cable
Surface of ODU
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Checking the Hybrid Coupler
Protection area of the lightning arrester
Connections between hybrid coupler to ODU and
antenna
Water-proof checking for the interfaces
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Checking the Antenna
Protection area of the lightning arrester
Connections between antenna to pole
Antenna radome should be intact
Water accumulation in antenna
Position and Direction of antenna
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Checking the IF Cable
Appearance of the IF cable
IF cable connectors
IF cable grounding
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Routine Maintenance via U2000
Maintenance ItemRecommended Maintenance Cycl
e
Checking the NE Status Every day
Browsing the Current Alarms Every day
Browsing the History Alarms Every week
Browsing the Abnormal Events Every week
Browsing Current Performance
EventsEvery week
Browsing History Performance
EventsEvery week
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Routine Maintenance via U2000 (Cont.)
Maintenance ItemRecommended Mainte
nance CycleRemard
Browsing the
History Transmit
Power and Receive
Power
Every week -
Testing the IF 1+1
SwitchingHalf a year
Applies only to the
equipment that is
configured in 1+1
protection mode. It is
recommended that you
perform the protection
switching when the
traffic is light.
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Questions
What are the Items for IDU maintenance?
What are the Items for ODU maintenance?
What can we do for maintenance by the U2000?
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Contents
1. Safety Precautions
2. Routine Maintenance
3. Common Maintenance Operations
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Plulling out a board
Step 1: Loosen the screws on the front panel.
Step 2: Unlock the ejector levers of the board so that the board is disconnected from the backplane.
Step 3: Draw out the board along the guiding rail.
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Plugging in a board
Step 1: Slowly inserting the board along the guiding rail.
Step 2: Lock the ejector levers of the board.
Step 3: Fasten the screws on the front panel.
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Replacing IF Board(1+0)
Procedure
Query the current alarms of the board
Turn off the ODU-PWR switch on the front panel of the
IF board to be replaced.
Remove the board.
Check and ensure that the version and type of the
spare board are the same as the version and type of
the board to be replaced.
Ensure that the ODU-PWR switch on the front panel of
the spare IF board is turned off.
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Replacing IF Board(1+0) (Cont.) Procedure
Insert the board
After the board starts to work, check the indicators on
the board. The STAT indicator should be on and green
Turn on the ODU-PWR switch on the front panel of the
IF board
Query the current alarms of the board. There should be
no new alarms on the board
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Replacing the Ethernet Interface Board Procedure
Query the current alarms of the board.
Remove the board.
Check and ensure that the board version and the
model of the SFP module on the spare board are the
same as the board version and the model of the SFP
module on the board to be replaced.
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Replacing the Ethernet Interface Board (Cont.)
Procedure
Insert the board.
After the board starts to work, check the indicators on the
board, the STAT indicator should be on and green
Query the current alarms of the board, there should be no
new alarms on the board
Page32
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Replacing the CF Card
Procedure
Query the current alarms of the board.
note: If the board is configured with 1+1 protection, ensure that the
services are switched from the current working board to the protection
board.
Remove the board.
Remove the CF card according to the illustration in the
following figure.
Page33
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Replacing the CF Card (Cont.)
Procedure
Check the spare CF card.
Install the spare CF card according to the illustration in the
following figure.
Insert the board.
After the board starts to work, observe the indicators on the
board. The STAT indicator should be on and green.
Query the current alarms of the board.
Page34
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Replacing the System Control,Switch, and Timing Board One system control, switching, and timing board is
configured
Query the current alarms of the board
Remove the board
Check and ensure that the version and type of the
spare board (including the patch version) are correct.
Remove the CF card from the original board and then
install the CF card to the spare board
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Replacing the System Control,Switch, and Timing Board (Cont.)
Insert the spare board into the chassis
Press and hold the CF RCV button on the board for
eight seconds so that the board automatically restores
the NE database, system parameters, software
packages, and NE logs from the CF card.
Query the current alarms of the board, there should be
no new alarms
Page36
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Replacing the System Control,Switch, and Timing Board (Cont.) Two system control, switching, and timing boards are
configured
Query the current alarms of the board
Before replacing the main system control board, switch
the main system control board to the protection board.
Remove the board to be replaced
Check whether the version and type of the spare board
are the same as the version and type of the board to be
replaced.
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Replacing the System Control,Switch, and Timing Board (Cont.)
Insert the spare board
Wait for about 11 minutes to complete the backup of
the data on the main and standby system control units.
Switch the system control unit and cross-connect unit
to the working board
Query the current alarms of the board, there should be
no new alarms
Page38
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Replacing an ODU
Procedure
Query and record the current alarms of the ODU.
Turn off the ODU-PWR switch on the panel of the IF board
Remove the IF cable and the PGND cable from the ODU.
Loosen the captive screws on the ODU and disconnect the
ODU from the antenna, the hybrid coupler, or ODU adapter.
Ensure the type of the spare ODU is the same as the type
of the ODU to be replaced.
Install the spare ODU.
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Replacing an ODU (cont.) Procedure
Connect the PGND cable and the IF cable to the ODU.
Waterproof the IF interface on the ODU.
Turn on the ODU-PWR switch on the front panel of the IF
board.
After the ODU starts to work, check the ODU indicator and
LINK indicator on the IF board.
The ODU indicator and LINK indicator should be on and
green.
Query the current alarms of the board, there should be no
new alarms.
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Querying a Report via U2000
You can obtain the version and manufacture information
of all the boards by querying the corresponding report.
Querying the Board Information Report
You can obtain the PCB version, logic version, and software
version of each board by querying the board information report
Querying the Board Manufacturing Information Report
You can obtain the manufacturing information of each board and
the SFP module by querying the board manufacturing
information report
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Setting a Loopback for the Ethernet Interface Board The Ethernet interface board supports the Ethernet port
inloop (at the MAC layer and PHY layer).
Note: A loopback operation results in service interruption. A software loopback may be released automatically after a
certain period (five minutes, by defaults). When Port Mode of an Ethernet port is set to Layer 3, do
not perform any loopback on the port. In this case, LSP Traceroute is recommended for locating faults.
Copyright © 2011 Huawei Technologies Co., Ltd. All rights reserved.
Setting a Loopback for the Ethernet Interface Board (Cont.) Procedure
Select an Ethernet processing board from the Object Tree.
Choose Configuration > Interface Management >
Ethernet Interface from the Function Tree.
Click the Advanced Attributes tab.
Set the loopback status of the port based on the requirements.
Click Apply.
Then, the Confirm dialog box is displayed.
Click OK.
Close the dialog box that is displayed.
Page43
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Setting Loopback for the IF Board
The ISU2/ISX2 board supports the IF port inloop, IF port outloop,
composite port inloop, and composite port outloop.
Page44
IF port inloop
IF port outloop
Composite port inloop
Composite port outloop
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Setting Loopback for the IF Board (Cont.) Note
The services may be interrupted at the port or on the path where the
loopback is performed.
A software loopback may be released automatically after a certain
period (five minutes, by defaults.
To perform the software loopback on the standby IF board of the 1+1
HSB/FD/SD protection group, switch the standby IF board to the
working state forcedly. Otherwise, the operation may fail.
When Port Mode of an IP radio port is set to Layer 3, do not
perform any loopback on the port. In this case, LSP Traceroute is
recommended for locating faults.
Page45
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Setting Loopback for the IF Board (Cont.)
Procedure Select the corresponding IF board from the Object Tree in the
NE explorer. Select the corresponding function options from the Function
Tree based on the loopback type. Choose Configuration > IF Interface from the Function Tree.
Select IF Attributes tab. Select the port where the loopback needs to be performed and set IF Port Loopback.
Choose Configuration > Digital Interface from the Function Tree. Select By Function. Choose Optical(Electrical) Interface Loopback from the drop-down list. Select the port where the loopback needs to be performed and set Optical (Electrical) Interface Loopback.
Click Apply. Then, the Confirm dialog box is displayed. Click OK to close the dialog box. Then, a dialog box is
displayed. Close the dialog box that is displayed
Page46
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Reseting via U2000 Cold Reset
Cold reset is a process wherein the board software is
reset and the board is re-initiated. The software of each
board runs as a software module in the CPU on the
system control, switching, and timing board. During the
board initialization, the FPGA is re-loaded.
Warm Reset
Warm reset is a process wherein the board software is
reset but the board is not re-initiated. The software of
each board runs as a software module in the CPU on the
integrated board of the system control, switch, and
timing.
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Summary
The general safety precautions before installing,
operating, and maintaining the equipment
Field maintenance items for indoor equipment
Field maintenance items for outdoor equipment
Routine maintenance items carried out through the
NMS
Common maintenance operations of hardware or
U2000
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