Huawei BTS3900C Hardware Description page 4

BTS3900C (Ver.C)
Hardware Description
4 BTS3900C Power System
The BTS3900C supports 110 V AC, 220 V AC, and -48 V DC power supply. When AC power
is used, the base station converts AC power into -48 V DC power.
5 BTS3900C Monitoring System
The BTS3900C monitoring system monitors all boards and components in a BTS3900C cabinet.
If any board or component is faulty, an alarm is automatically reported. The RRU or UPEU and
UEIU in the BBU collect monitoring signals from boards and components to monitor the
surrounding environment of the BTS3900C.
6 BTS3900C Components
This section describes the components of a BTS3900C cabinet.
7 BTS3900C Cables
The BTS3900C cables are the PGND cables, power cables, transmission cables, CPRI cables,
signal cables, and RF cables.
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.
Convention
Times New Roman
Issue 03 (2013-05-27)
Description
Indicates a hazard with a high level or medium level of risk
which, if not avoided, could result in death or serious injury.
Indicates a hazard with a low level of risk which, if not
avoided, could result in minor or moderate injury.
Indicates a potentially hazardous situation that, if not
avoided, could result in equipment damage, data loss,
performance deterioration, or unanticipated results.
Indicates a tip that may help you solve a problem or save
time.
Provides additional information to emphasize or supplement
important points of the main text.
Description
Normal paragraphs are in Times New Roman.
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