Figure 15-37 Connections Of The Cpri Optical Cable For 12 Dc Rrus; Figure 15-38 Installing The Optical Module - Huawei DBS3900 Installation Manual

Indoor centralized rack (icr) dual-mode base station
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DBS3900(ICR)
Installation Guide
l
Issue 01 (2011-03-30)

Figure 15-37 Connections of the CPRI optical cable for 12 DC RRUs

(1) Cable routes for 12 DC RRUs
6.
Route cables by referring to
7.
Use cable ties to bind cables.
8.
Label the installed cables by referring to Attaching an L-Shaped Label.
Installing the CPRI optical cable for the AC RRU
1.
Wear an ESD wrist strap or a pair of ESD gloves.
2.
Turn the puller of each optical module outwards, insert the optical module into the
CPRI port on the BBU and the CPRI_W or CPRI0 port on the RRU respectively,
and then turn the puller inwards, as shown in

Figure 15-38 Installing the optical module

3.
Connect one end of the CPRI optical cable to the cabling cavity of the RRU, as shown
in
Figure
15-39.
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
(2) Every three optical cables tied in a bundle
15.1 Cabling
Requirements.
Figure
15 Installing Cables
15-38.
15-63

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