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User Manual
Airbridge cBTS3612 CDMA Base Station
Interface with the fan cover
l
Including fan alarm signal, panel indicator, and fan power interface.
4) Index
Size of BBFM: 200.0mm%55.0mm.
II. BTS BTRM FAN Lamp Module (BBFL)
1) Overview
BBFL has three RUN indicators to indicate the running status of BTRM module, fans
and BHPA module. The board is connected with BBFM via the fan cover interface. It
is an auxiliary board.
2) Structure and principle
The structure of BBFL is shown in Figure 2-23.
Figure 2-23 Structure of BBFL module
BBFL consists of the following parts:
Fan 1 interface module
l
It is a 4pin ordinary socket connector connected with Fan 1, including power supply
input port and fan alarm output port.
Fan 2 interface module
l
It is a 4pin ordinary socket connector connected with Fan 2, including power supply
input port and fan alarm output port,
LED1
LED2
LED3
Fan cover port (connect to BBFM)
2-42
System Description
2 Hardware Architecture
BTRM indicator
FAN indicator
BHPA indicator
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