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7 Replacing the BTS3702E Cables
7.1 Replacing the Power Cables of the BTS3702E
When the power cables of the BTS3702E are faulty, you need to replace them.
Prerequisite
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Context
Replacing the power cables of the BTS3702E may interrupt all the services.
Replacing the power cables involves removing the faulty cables and installing the new cables.
This operation takes about five minutes.
Take proper ESD prevention measures, for example, wear ESD wrist straps or gloves to prevent
boards, modules, and electronic components from being destroyed by static discharge from the
human body.
Procedure
Step 1 Route the new power cables in the same way as the faulty power cables are routed.
Step 2 For details about how to power off the BTS3702E, see
Step 3 Remove the faulty power cables from the equipment.
Step 4 Install the new power cables.
Step 5 Attach engineering labels to the new power cables and ensure that the content on each
engineering label is consistent with that on the original label.
Step 6 Bind the new power cables.
Step 7 For details about how to power on the BTS3702E, see
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Later Measures
After replacing the faulty power cables, verify that:
The cables are correctly and securely connected.
Contact the local Huawei office to handle the faulty power cables.
7-2
The type and model of the faulty power cables are confirmed, and the new power cables
are ready and routed according to the specifications.
The new cables are in good condition.
The required tools and materials are ready. The tools and materials are the ESD wrist strap
or gloves, Phillips screwdriver, flat-head screwdriver, ESD box or bag, and OT terminals.
CAUTION
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
DBS3900 WiMAX
Site Maintenance Guide (Draft)
3.2 Powering Off the
3.1 Powering On the
BTS3702E.
Issue 01 (2009-11-30)
BTS3702E.
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