Figure 3-54
Installing the air filter of the air intake frame on the USG9520
----End
Follow-up Procedure
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Gather up and store the tools.
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Dispose of the replaced air filter according to the compliance and safety standards.
3.8 Replacing Cables
This section describes the precaution and procedure for replacing the power cable, network
cable, trunk cable, and optical cable.
3.8.1 Replacing a Power Cable
This section describes the procedure for replacing a power cable.
Context
Before replacing a power cable, note the following:
l
Ensure that service data is backed up before replacing a power cable.
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Before operating the device, make sure to cut off all input power supplies to the power
distribution cabinet, and label the switch to be used.
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The DC power cable terminals and other exposed surfaces must be fully insulated.
Tool
Before replacing a power cable, you need the following tools:
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Power module terminal
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Power cable
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ESD wrist strap
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Phillips screwdriver
Procedure
Step 1
Record the location of both ends of the power cable to be replaced and the cabling mode.
HUAWEI USG9500 Series
Hardware Guide
3 Hardware Maintenance
Issue 03 (2017-12-15)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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