l E1 cables must not cross power cables, PGND cables, or RF cables when routed. If
transmission cables are routed with power cables, PGND cables, or RF cables in parallel,
the spacing between them must be greater than 30 mm (1.18 in.).
l E1 cables are routed straightly and bound neatly with cable ties.
l Sufficient slack is provided in E1 cables at turns.
Cabling requirements for fiber optic cables are as follows:
l Do not stretch, step on, or place heavy objects on fiber optic cables. Keep the cables away
from sharp objects.
l When fiber optic cables are routed, the extra length of the cables must be coiled around
special devices, such as a fiber coiler.
l When coiling fiber optic cables, apply even strength. Do not bend the cables with force.
l Vacant optical connectors must be covered with dustproof caps.
13.5.2 Cable Installation Process
This section describes the process of installing IMB03 cables.
NOTE
The E1/T1 cable or FE/GE cable is used according to the actual requirements on site on the transmission
cable.
Process of Installing IMB03 Cables
Figure 13-42 shows the cable installation process.
DBS3900 (Ver.B)
Installation Guide 13 Indoor Scenario (BBU Installed in an IMB03)
Issue 06 (2011-09-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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