Pmu 11A - Huawei BTS3900C Hardware Description

BTS3900C (Ver.C)
Hardware Description
Table 5-2 Ports on the HEUB
Silkscreen
ELU
ExtFAN
IntFAN
TEM
AC_SPD
GATE
COM_IN
COM_OUT
PWR

5.3.2 PMU 11A

The power monitoring unit 11A (PMU 11A) manages the power system, monitors power
distribution, and reports alarms.
Exterior
Figure 5-5
Figure 5-5 PMU 11A
Issue 03 (2013-05-27)
Connector
RJ45 connector
4-pin connector
4-pin connector
4-pin connector
Bare wire
Bare wire
RJ45 connector
RJ45 connector
3V3 power connector
shows a PMU 11A.
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5 BTS3900C Monitoring System
Description
Electronic label port
Power port for the outer air
circulation fan
Power port for the inner air
circulation fan
Port connected to the
temperature sensor
Port for collecting the AC
input surge protection alarm
Port for the door status sensor
Port for reporting monitoring
signals
Port connected to the
ETP48100-A1
-48 V DC input port
112