No.
Description
6
The signal cables within the area of the communication office and mobile station
should not be arranged aerially.
A.4.6 Specifications for Laying Out Grounding Cables
This section describes the requirements for laying out ground cables.
list the cabling specifications for the ground cable.
Table A-43
Specifications for laying out ground cables
No.
Description
1
The ground cable should not be next to or twist around the signal cable.
2
The ground cable cannot be led in aerially, but should be completely buried
underground or arranged indoors.
3
Do not extend the protection ground cable or add any switch or fuse.
4
The protection ground cable used should be an alternating yellow and green plastic
insulating cable with a copper core.
5
The neutral line of the AC power cable cannot be connected with the protection
ground of various transmission and communication equipment in the equipment
room.
6
The length of the protection ground cable should not exceed 45 m. The protection
ground cable should be as short as possible. When the cable is longer than 45 m,
advise the user to replace the ground bar nearby.
A.5 Engineering Labels for Cables
This section provides an overview of labels and describes the labels for optical fibers,
Ethernet cables, and power cables.
Labels facilitate on-site installation and maintenance.
There are two main types of cable labels:
l
Single cable labels used on network cables, optical fibers, trunk cables, and user cables
(excluding antenna feeders)
l
Power cable labels used on AC power cables and DC power cables (excluding the power
bus cable)
NOTE
If the user needs an integrated label description, fill in the label according to the user's requirements.
Make a note of this in the self-check report.
HUAWEI USG9500 Series
Hardware Guide
A Appendix
Issue 03 (2017-12-15)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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