Huawei 3900 Series Solution Manual page 24

3 Hardware Description
Comm
on
Comp
onent
APM30
APM30
H
3-4
Name GBTS NodeB
Comp Comp
onent onent
AFMU DTCU NCMU
PMU APMU NPMU
HEUA DTCU NCMU
PMU APMU NPMU
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
3900 Series Base Station GU Co-Cabinet
Function
Supplies DC power to the APMI or AFMU and
l
receives DC power through the DC power port.
Supplies DC power to the two fans at the top
l
of the cabinet and reports the alarms of the
fans.
Reports the alarms of the internal ambient
l
temperature sensor, air inlet temperature
sensor, and air outlet temperature sensor.
Transmits the alarm signals of the AFMU
l
through the signal transfer cable to the APMI
and then to the main control board.
Provides the RS232/RS422 serial port for
l
communicating with the upper-level
equipment.
Manages the power system and the battery
l
charging/discharging.
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.
Monitors the fans.
l
Reports alarms.
l
Provides the RS232/RS422 serial port for
l
communicating with the upper-level
equipment.
Manages the power system and the battery
l
charging/discharging.
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.
Solution Guide
Issue 04 (2009-07-30)