Hardware Components Of The Gu Co-Cabinet Base Stations; Table 3-1 Common Components - Huawei 3900 Series Solution Manual

3 Hardware Description
3.1 Hardware Components of the GU Co-Cabinet Base
Stations
For details on the hardware components such as the cabinet, boards and modules, and cables of
the GU co-cabinet base stations, see the related hardware description documents for the GBTS
and the NodeB.
The boards and modules independently controlled by the GBTS are the GTMU, GSM RF
module, and GATM. The boards and modules independently controlled by the NodeB are the
WMPT, WBBP, and UMTS RF module.
Table 3-1

Table 3-1 Common components

Comm
on
Comp
onent
EPS489
0
3-2
lists the common components of the GU co-cabinet base stations.
Name GBTS
Comp
onent
PMU DPMU
PSU PSU
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
3900 Series Base Station GU Co-Cabinet
NodeB Function
Comp
onent
NPMU Manages the PSU and battery charging/
l
discharging.
Provides RS485 communication ports and dry
l
contact alarm ports for remote and unmanned
monitoring.
Supports the battery low voltage disconnect
l
(BLVD) and load low voltage disconnect
(LLVD) functions.
Monitors the environment, reports alarms
l
about water damage, smoke, door status, and
customized Boolean values, and reports the
ambient temperature, ambient humidity,
battery temperature, and customized analog
values.
Monitors the power distribution status and
l
reports power distribution fault alarms and dry
contact alarms.
NPSU Converts 220 V AC power into -48 V DC
l
power, which is the power input to the DCDU
Monitors the module and reports alarms
l
related the faults (such as output overvoltage,
no output, and fan faults), alarms related to
module protection (such as overtemperature
protection, and input overvoltage/
undervoltage protection), and module out-of-
position alarm.
Monitors the information related to the battery
l
charging/discharging.
Solution Guide
Issue 04 (2009-07-30)