Pmu; Functions; Table 3-21 Pbu Ports - Huawei BTS3 Series Hardware Description Manual

M900/M1800 BTS3X Series Base Transceiver Station
Hardware Description Manual
ID
FAIL
Table 3-21

Table 3-21 PBU ports

ID
OUT
IN
RST

3.12 PMU

3.12.1 Functions

The PMU is close to the power supply module group.
The PMU mainly performs power supply management and alarm collection:
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The PMU monitors the following signals in real time:
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Issue 01 (2006-11-18)
Color Meaning
Red Warning indicator
lists detailed information about ports on PBU panel.
Connector Type
N (Female)
N (Female)
Reset button
If the AC/DC unit is configured for the PSU, the PMU supports the power supply
management function.
If the DC/DC unit is configured, it is necessary to set the capacity of PMU battery to 0,
that is, the battery management function is not used.
Control variable signals
Even float charging management and current limiting control of battery
−
Control the switching of the protection load for batteries
−
Boolean value signal
AC mains signals and over/under voltage signals (12 V DC/10 mA)
−
N % AC/DC module(s) provides N % fault status variables (12 V DC/10 mA) for PMU.
−
(N is the number of PSU configured. If four PSUs are configured for the BTS30, then
four fault status variables will be provided for PMU.)
Fan monitoring status variable (normally 12 V DC/10 mA)
−
Cabinet internal smoke detection (alarm: 24 V/10 mA), waterproof (alarm: 12 V/10
−
mA), access control (normal; 12 V/10 mA)
Switching status variable of the battery fuse (–0.3 V DC < normal voltage difference
−
< 0.3 V DC)
Current and voltage analog variable signal
Battery group current (A)
−
Huawei Technologies Proprietary
Indication
ON: PBU generates major alarms.
OFF: PBU operates normally.
Function
RF signal transmitting port
RF signal receiving port
PBU reset button
3 Board
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