3 Board
M900/M1800 BTS3X Series Base Transceiver Station
Hardware Description Manual
3-40
Huawei Technologies Proprietary
Issue 01 (2006-11-18)
Figure 3-27
PBU panel
PBU
PW R
SCP
W ARN
FAIL
RST
OUT
IN
lists detailed information about indicators on the PBU panel.
Table 3-20
PBU indicators
ID
Color
Meaning
Indication
PWR
Green
Power supply indicator
ON: PBU is powered on.
OFF: PBU is powered off.
RUN
Green
Running status indicator
ON for one second and OFF for one
second.: PBU operates normally.
ON for two seconds and OFF for two
seconds.: receiving TMU message or
writing information to FLASH
WARN
Red Warning
indicator ON: PBU generates warning.
OFF: PBU operates normally.