Huawei Airbridge BTS3612A-1900 Technical Manual page 49

Technical Manual
Airbridge BTS3612A CDMA Base Station
Figure 3-11 Structure of BBFL module
The BBFL consists of the following parts:
Fan 1 interface module
It is a 4pin ordinary socket connector connected with the Fan 1, including power supply
input port and fan alarm output port.
Fan 2 interface module
It is a 4pin ordinary socket connector connected with the Fan 2, including power supply
input port and fan alarm output port.
Fan cover port interface module
It is connected with the fan cover of the BBFM.
III. Panel indicators
LED1: BTRM operating signal
LED2: Fan operating signal
LED3: BHPA operating signal
IV. Indices
BBFL dimensions: 55.0mm%25.0mm (Length%Width).
LED1 LED2 LED3
Fan cover port (connect to BBFM)
3-21
System Principle
Chapter 3 Radio Frequency Subsystem
BTRM indicator
FAN indicator
BHPA indicator