otf312203 optix rtn 900 v100r003c01 routine maintenance issue 1.00

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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


Contents

1. Safety Precautions

2. Routine Maintenance

3. Common Maintenance Operations


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


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.


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.


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.


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


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


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.


Highly Dangerous Maintenance Operations (Cont.)

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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


Contents





Contents


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


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


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


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


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


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


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


Checking the Hybrid Coupler


Connections between hybrid coupler to ODU and

antenna

Water-proof checking for the interfaces


Checking the Antenna


Connections between antenna to pole

Antenna radome should be intact

Water accumulation in antenna

Position and Direction of antenna


Checking the IF Cable

Appearance of the IF cable

IF cable connectors

IF cable grounding


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


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.


Questions

What are the Items for IDU maintenance?

What are the Items for ODU maintenance?

What can we do for maintenance by the U2000?


Contents





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.


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.


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.


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


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.


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

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Replacing the CF Card

Procedure


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


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.


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Replacing the System Control,Switch, and Timing Board One system control, switching, and timing board is

configured


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


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

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Replacing the System Control,Switch, and Timing Board (Cont.) Two system control, switching, and timing boards are

configured


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.


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

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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.


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.


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


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.


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.

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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.

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IF port inloop

IF port outloop

Composite port inloop

Composite port outloop


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.

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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

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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.


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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otf312203 optix rtn 900 v100r003c01 routine maintenance issue 1.00

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