Replacing A Psu; Figure 5-9 Set The Dip Switch; Figure 5-10 Installing The Pmu - Huawei BTS3900 V200R010 Site Maintenance Manual

BTS3900 WCDMA
Site Maintenance Guide

Figure 5-9 Set the DIP switch

Step 5 Place the new PMU in the corresponding slot and loosen the screws on the handle of the PMU.
Then, pull the handle outwards.
Step 6 Slide the PMU along the guide rails into the slot and then push the handle back.
Step 7 Tighten the screws on the handle, as shown in

Figure 5-10 Installing the PMU

Step 8 Connect the cables, which have been disconnected from the PMU.
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Postrequisite
After replacing the PMU, check the following items:
The cables are correctly and tightly connected.
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The RUN LED on the panel blinks green at 0.5 Hz after the PMU is powered on.
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On the M2000 or LMT, the related alarms are cleared.
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Contact the local Huawei office to handle the faulty PMU.
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5.10 Replacing a PSU

When a PSU is faulty and cannot be repaired in time, you must replace it.
Issue 07 (2009-08-30) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
5 Replacing Components of the BTS3900
Figure 5-10.
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