M900/M1800 BTS3X Series Base Transceiver Station
Hardware Description Manual
3 Board
Issue 01 (2006-11-18)
Huawei Technologies Proprietary
3-71
Figure 3-47
TMU panel
TMU
MMI
T13M
FCK
T2M
DBG
RST
PWR
M/S
RUN
LI1
LI2
LI3
LI4
PLL
lists detailed information about indicators on the TMU panel.
Table 3-39
TMU indicators
ID
Color
Meaning
Indication
PWR Green Power
supply
indicator
ON: TMU is powered on.
OFF: TMU is powered off
RUN Green Running
status
indicator
Flashing: TMU runs normally.
ON or OFF: TMU runs abnormally.
LI1
Green
E1 indicator
ON: The first E1 generates local alarm.
Flashing: The first E1 generates remote
alarm.
OFF: The first E1 is normal.