Huawei OptiX OSN 3500 Instructions for use

Optical Network Curriculum
Development Section
ISSUE
1
OptiX OSN 3500/2500/1500
Routine Maintenance
1.0

2
Course Objectives
Master operation environment of OptiX Equipment
Understand the maintenance items of OptiX Equipment
Master the basic maintenance operations of OptiX Equipment
Be able to perform the routine maintenance of OptiX Equipment

3
Contents
Part 4 Equipment Running and Routine
Maintenance
Part 2 Daily Maintenance Items
Part 3 Basic Operations and Precautions
Part 1 Operation Environment

4
Contents
Part 4 Equipment Running and Routine
Maintenance
Part 2 Daily Maintenance Items
Part 3 Basic Operations and Precautions
Part 1 Operation Environment
1. Operation Environment of equipment
2. Operation Environment of NMS

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Running Environment of Equipment
Power Supply:
Ensure the DC voltage for OptiX transmission
equipment is -48V/-60V
Tolerance range: -48V/-60V±20%=-38.4V~ -72V
Grounding of equipment:
Combined grounding, resistance<1 Ohm

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Temperature and humidity requirements
Operating
conditions Temperature
(°C) Relative humidity (%)
Long-term operating
conditions 0°C~40°C10%~90%
Short-term working
condition -5°C~55°C5%~95%
Better conditions 20°C60%
Running Environment of Equipment

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Good ventilation
1. to keep the fans running normally
2. Clean the fan screen regularly(once or twice per month)
3. Don’t put unrelated goods at the ventilation opening(tail fibers,
2M trunck cables, for example)
4. Check board overheat, good wind flow at the ventilation opening
5. Monitor the rack temperature in NMS.
Running Environment of Equipment

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Prepare a smooth, stable and sizable computer desk for placing the
computer
Keep ventilation and avoid direct sunshine, heat source, humidity,
smoke and dust
Configure UPS
be away from other electronic equipments
refer to the manual delivered with the computer for other
requirements
Running Environment of the NMS computer

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Contents
Part 4 Equipment Running and Routine
Maintenance
Part 2 Daily Maintenance Items
Part 3 Basic Operations and Precautions
Part 1 Operation Environment

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OptiX Equipment Daily Maintenance Items
2. Act as per “SDH Daily Maintenance Proposal”
carefully, and keep a record.
1. Keep equipment room clean, avoid moisture
and mice.

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OptiX Equipment Daily Maintenance Items
4. Avoid man-made mistakes as possible as you can.
3. Clean the fan screen every two weeks. Fan
must be on all the time.

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OptiX Equipment Daily Maintenance Items
6. Be careful about fiber and cable adjustment. NEVER
forget to mark them before adjustment.
5. Always wear anti-ESD wrist strip.

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OptiX Equipment Daily Maintenance Items
7. Check the transmission lines regularly. Test the
working and/or protection fibers yearly if possible.
8. Keep the passwords in a secure place and modify
it regularly, esp. superuser or administrator
password.

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OptiX Equipment Daily Maintenance Items
11. Unclear alarms should be checked thoroughly. In
case of need, contact Huawei Office ASAP.
9. Kill virus regularly.
10. UPS power supply should be equipped. Back
up the computer regularly.

15
Contents
Part 4 Equipment Running and Routine
Maintenance
Part 2 Daily Maintenance Items
Part 3 Basic Operations and Precautions
1. Precautions of Maintenance Operations
2. Basic Operation of the Maintenance
Part 1 Operation Environment

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Precautions of Maintenance Operations
Precautions for Laser Safety
1. The unused optical interface and optical connector should be
covered with optical caps
2. Cleaning the optical interface and fiber jumper connector
3. Precautions for the loop back operation of the optical interface
board:using attenuator
4. Precautions for replacement of optical interface board:pull off the
optical fiber from the circuit board first

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Precautions of Maintenance Operations
Precautions for Electrical Safety
1. Anti-static precautions:wear the grounded ESD wrist strap
2. Precautions for board electrical safety:in the ESD bag and the
grounded ESD wrist strap
3. Precautions for power supply maintenance
①Never install or remove the equipment with the power on
②Never connect or disconnect the equipment power cable with
power on.
③Before connecting the cables, be sure that the cables and cable
labels are well positioned.

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Precautions of Maintenance Operations
Precautions for Board Mechanical Safety
1. Avoid shocks during the transportation
2. plug in/pull out the board with care, and strictly follow procedures.
Precautions for Network Management System Maintenance
1. Do not quit the network management system
2. It is strictly forbidden to run irrelevant programs,especially games.
3. Kill viruses regularly
Precautions for Service Configuration Modification
1. Don't groom the service configuration at the traffic peak

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Basic Operation of Maintenance Operations
Clean the Fan
Plugging/Unplugging Tail Fiber
Plugging/Unplugging Board
Switch On/Off the Equipment
Cut Off the Alarm Sound
Resetting SCC
Operations of the Loopback
Test of Bit Errors
Fiber/Cable Tag Description

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Clean the air filter of the Fan
Clean the air filter once every two weeks.
Procedures :
1. Pull out the filter
2. peel off the sponge stuck on the filter
3. clean it with water
4. dry it in a ventilated place(Never insert any wet air filter into the
equipment)
5. stick the sponge again on the air filter
6. insert the filter by gently pushing the air filter along