Bts Fan Monitor Module (Bfmm) - Huawei Airbridge cBTS3612 Maintenance Manual

On-site Maintenance Manual
Airbridge cBTS3612 CDMA Base Station

5.10 BTS Fan Monitor Module (BFMM)

For details about the BFMM indicators, please see Table 5-10.
Table 5-10 Description of BFMM indicators
Indicator Color
BFMM
Green
Indicators
Meaning
Flashing quickly (at 4Hz):
the monitored target is
running out of order, such
as the fan failure, serial
port communication failure
and the driving monostable
Operational
circuit failure, etc.
status
Flashing slowly (at 0. 5Hz):
indicator
Both the fan monitoring
circuit and the monitored
target are working properly.
On or off: The controlling
chip of the BTS Fan
Monitor Module has failed.
5-9
Chapter 5 Component
Description
Indicators
Normal Status
Flashing slowly
(at 0. 5Hz)