Huawei 3900 Series Commissioning Manual page 140

6 Commissioning the MBTS by Using USB and M2000
2.
6-22
If the RUN LED
Is...
ON
Blinking at 4 Hz (ON
for 0.125s and OFF
for 0.125s)
OFF
Check the ALM LEDs on the GTMU/WMPT/LMPT/WBBP/LBBP/UERI/UTRP/MRFU/
RRU3908.
If the ALM LED It Indicates That...
Is...
OFF The GTMU/WMPT/
LMPT/WBBP/LBBP/
UERI/UTRP/MRFU/
RRU3908 are not
faulty.
ON The GTMU/WMPT/
LMPT/WBBP/LBBP/
UERI/UTRP/MRFU/
RRU3908 are faulty.
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It Indicates That...
The power supply is
available but the board
is faulty.
The software is being
loaded or the board is
inserted in the wrong
slot.
The power supply is
unavailable or the
board is faulty.
3900 Series Multi-Mode Base Station
Commissioning Guide
Then...
Reinstall the board to check whether
the fault is rectified. If the fault persists,
replace the board.
Wait for five minutes to check the
status of the RUN LED again.
If the RUN LED still blinks at 4 Hz,
check whether the board is inserted in
the correct slot. If not, reinstall the
board.
Check whether the base station is
l
powered on. If not, power on the
base station.
Reinstall the board to check whether
l
the fault is rectified. If the fault
persists, replace the board.
Then...
Go to Step 1.3.
Reinstall the board to check whether the
fault is rectified. If the fault persists,
replace the board.
Issue 02 (2010-07-30)