M900/M1800 BTS3X Series Base Transceiver Station
Hardware Description Manual
3 Board
Issue 01 (2006-11-18)
Huawei Technologies Proprietary
3-39
Alarm Management Module
Functions of the alarm management module are as follows:
!
Receiving the power amplifier (PA) control signals offered by the PA synthesized
module, including positive input power signals and positive output power detecting
signals.
!
Receiving alarm signals, including over-temperature and standing wave alarms.
!
Detecting the PA function and controls the phase and range of the PA synthesized
network.
!
Reporting alarms of low positive output power, PA output standing wave, and PA over
temperature.
Power Supply Module
This module provides the power supply signals for the PA and synthesized network, and the
alarm collection and management module.
3.11.3 Panel
shows the PBU panel.