Psu; Functions; Panel - Huawei BTS3 Series Hardware Description Manual

M900/M1800 BTS3X Series Base Transceiver Station
Hardware Description Manual
ID
RUN

3.13 PSU

3.13.1 Functions

The PSU is a built-in power supply module. The BTS3X supports multiple power input
modes, and the PSU is divided into AC/DC unit and DC/DC unit accordingly. Different power
supply modes can be configured for the BTS3X according to different power supply modules:
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One PSU provides power supply for two TRXs. The power supply module adopts N + 1
current equalizing hot backup mode.

3.13.2 Panel

Figure 3-29
Issue 01 (2006-11-18)
Color Meaning
Green Module monitoring
indicator
In 220 V AC power mode, the AC/DC unit is configured.
In –48 V DC power mode, the DC/DC unit is configured.
In +24 V DC power mode, no PSU is required.
shows the PSU panel.
Huawei Technologies Proprietary
Indication
Flashing: Monitoring module operation is
normal.
3 Board
3-43