Figure 5-5 Position Of The Fan Unit Switch - Huawei BTS3900 V200R010 Site Maintenance Manual

BTS3900 WCDMA
Site Maintenance Guide
Procedure
Step 1 Set the DC distribution switch FAN labeled on the DCDU-01 to OFF.
position of the FAN unit switch on the DCDU-01.

Figure 5-5 Position of the FAN unit switch

Step 2 Label the cables on the panel of the FAN unit and then remove the cables.
Step 3 Loosen the captive screws on both sides of the adjustable cable trough. Then, raise the cable
trough and fix it at the upper mounting hole, as shown in
Issue 07 (2009-08-30) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
5 Replacing Components of the BTS3900
Figure 5-5
Figure 5-6.
shows the
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