M900/M1800 BTS3X Series Base Transceiver Station
Hardware Description Manual
3 Board
Issue 01 (2006-11-18)
Huawei Technologies Proprietary
3-49
3.16.1 Panel
shows the TCU panel.
Figure 3-35
TCU panel
TCU
PWR
ALM
lists detailed information about the indicators on the TCU panel.
Table 3-26
TCU indicators
ID
Color
Meaning
Detailed Indication
PWR
Green
Power supply status indicator
ON: TCU is powered on.
OFF: TCU is powered off.
ALM
Red
Warning indicator
ON: An alarm is generated.
OFF: No alarm