SN
Item
5
The horizontal error of the BTS3902E is less than 3 mm (0.12 in.), and the vertical
error is not more than 3 mm (0.12 in.).
6
The outdoor cables are properly installed. The vacant ports are covered with
waterproof caps, and the caps are waterproofed.
7
None of power cables and PGND cables is short-circuited or reversely connected.
In addition, these cables are not damaged or broken.
8
Power cables and PGND cables are separately bound from other cables.
9
All BTS3902E-related modules are connected to the closest ground bar using
PGND cables.
10
The connectors of each signal cable are intact and securely linked, and these cables
are not damaged or broken.
11
Labels are correct, legible, and complete at both ends of each cable, feeder, and
jumper.
provides the checklist for the installation of an AC surge protection box.
Table 9-4
Checklist for the installation of an AC surge protection box
SN
Item
1
The PG connectors for routing cables on an AC surge protection box are securely
installed.
2
The waterproof fillers on an AC surge protection box are not stripped or broken.
3
OT terminals are securely linked to the cables connecting to an AC surge protection
box. Cable sheaths are not damaged, and the extra length of each cable is cut without
sharp edges.
4
PG connectors are tightened, and waterproof rings are secured.
5
The six screws on the cabling cavity for an AC surge protection box are tightened
properly.
6
The axis between the cover plate for and the case of an AC surge protection box is
not broken, and the surface of the protection box is not scratched.
7
The cable connections for an AC surge protection box meet the requirements in the
operation guide. The cover plate for the cabling cavity is closed after OT terminals
are tightened.
8
An AC surge protection box is powered off before installation and maintenance.
9
The protection grounding of an AC surge protection box and the surge protection
grounding of a building share one group of ground conductors.
10
An AC surge protection box must be installed or maintained in dry conditions.
9 Installing Cables
BTS3902E WCDMA
Installation Guide
9-26
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Issue Draft A (2011-06-30)