Table of Contents
Advertisement
DBS3900 WiMAX
Site Maintenance Guide (Draft)
7.2 Replacing the Signal Cables of the BTS3702E
When the signal cables of the BTS3702E are faulty, you need to replace them. The BTS3702E
signal cables are monitoring signal cables.
Prerequisite
l
l
l
Context
Replacing the BTS3702E signal cables interrupts the signal transmission carried on the signal
cables.
Replacing the signal cables involves removing the faulty cables, installing the new cables,
clearing the alarms generated on the BTS3702E, and resuming the services. This operation takes
about ten 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 Lead the new signal cables to the peer device along the route of the faulty cables.
Step 2 Remove the faulty signal cables from the equipment.
Step 3 Connect two ends of new signal cables to the port connected to the faulty signal cables, and then
remove the fault signal cables.
Step 4 Attach an engineering label to each new cable. The content on each engineering label should be
the same as that on the replaced cable.
Step 5 Bind the new signal cables.
----End
Later Measures
Check the following items after replacing the faulty signal cables:
l
l
Issue 01 (2009-11-30)
The types, models, and quantity of the faulty signal cables are confirmed, and the new
signal cables are ready.
The new cables are in good condition.
The required tools and materials are ready. The tools and materials are the ESD wrist strap
or ESD gloves, Phillips screwdriver, flat-head screwdriver, and ESD box or bag.
CAUTION
The cables are correctly and securely connected.
All related alarms are cleared in the alarm management system.
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
7 Replacing the BTS3702E Cables
7-3
Advertisement
Table of Contents
