Huawei BBU3900 Installation Manual page 43

Installing the BBU in the OMB
b
Installing the OMB
Ensure the FAN is in the bottom when installing the BBU.
b
Installing the OMB Cabinet
Slide the BBU case into the OMB
cabinet gently. Then, tighten the four
M6 screws.
Remove the two ground screws on the right side
of the BBU panel before installing the BBU.
c
Installing the BBU Cables
The procedures for installing the cables as follows in
the DC OMB and in the AC OMB are the same:
PGND cable
E1/T1 cable or FE/GE ethernet cable
optical cable
If the cable connection scenarios are similar, the
description is based on the DC cabinet.
1. Install the PGND cable of
OMB cabinet.
42
Grounding bar