Huawei BTS3900C Hardware Description page 122

BTS3900C (Ver.C)
Hardware Description
Functions
The PMU 11A performs the following functions:
l
l
l
Ports
Figure 5-6
Figure 5-6 Ports on the PMU 11A
Table 5-3 Ports on the PMU 11A
No.
1
2
3
4
5
Indicators
Table 5-4
Issue 03 (2013-05-27)
Manages the power system.
Reports the battery temperature.
Monitors power distribution and reports alarms.
shows the ports on the PMU 11A and
Silkscreen
GATE
TEM_BAT
COM_IN
COM_OUT
COM_485
describes the indicators on the PMU 11A.
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Table 5-3 describes these ports.
Connector
2-pin connector
2-pin connector
RJ45 connector
RJ45 connector
RJ45 connector
5 BTS3900C Monitoring System
Description
Connects to a door status
sensor
Reserved for a battery
temperature sensor
Connects to the BBU or
upper-level device and
reports alarms to the
BBU.
Connects to the BBU or
lower-level devices and
collects alarms from
lower-level devices.
Reserved
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