Huawei BTS3902E WCDMA Hardware Description page 46

BTS3902E WCDMA
Site Maintenance Guide
3 Replacing the BTS3902E
The BTS3902E is an integrated micro base station. Replacing a faulty BTS3902E interrupts all
services carried by the base station.
4 Replacing the Attachment Plate
This section describes the procedure for replacing the attachment plate matching the angle-
adjustable mounting kits with the attachment plate matching the aluminum mounting kits.
5 Replacing an Optical Module
An optical module implements optical-electrical conversion, enabling optical transmission
between a BTS3902E and other devices. You must disconnect the fiber optic cable from an
optical module before replacing the optical module. Disconnecting the fiber optic cable
interrupts the transmission of optical signals.
Conventions
Symbol Conventions
The symbols that may be found in this document are defined as follows.
Symbol
General Conventions
The general conventions that may be found in this document are defined as follows.
Issue 06 (2014-05-16)
Description
Indicates an imminently hazardous situation which, if not
avoided, will result in death or serious injury.
Indicates a potentially hazardous situation which, if not
avoided, could result in death or serious injury.
Indicates a potentially hazardous situation which, if not
avoided, may result in minor or moderate injury.
Indicates a potentially hazardous situation which, if not
avoided, could result in equipment damage, data loss,
performance deterioration, or unanticipated results.
NOTICE is used to address practices not related to personal
injury.
Calls attention to important information, best practices and
tips.
NOTE is used to address information not related to personal
injury, equipment damage, and environment deterioration.
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