Installation Guide

Table Of Contents
Figure 15-12 Cable installation process
15.4 Cable Routes
This section describes the cable routes.
Figure 15-13 shows the planform of the cable tray. By studying the figure, you can know the
cable routes.
Figure 15-13 Cable routes
(1) -48 V DC or 220 V AC input
power cable
(2) Optical cables and PGND cables
for RRUs at the lower layer
(3) Feeders
(4) RRU power cables, E1/T1 cables,
and FE/GE Ethernet or optical cables
(5) +24 V DC input power cable -
DBS3900 (ICR)
Installation Guide 15 Installing Cables
Issue 12 (2015-04-30) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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