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LG Amplified Phone IP LDK-20 User Manual

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IP LDK-20 Installation Manual                                                                                                          Board Installation 
 
 
37
 
 
3.3.3.1  Pin Assignment 
 
CBIB 1’ST PORT FOR BRI T-MODE 
CONNECTOR 
PIN NUMBER 
NO 
SIGNAL NAME 
FUNCTION 
1,2,7,8 Reserved 
3 TX+ 
Transmit 
Data 
4 RX+ 
Receive 
Data 
5 RX- 
Receive 
Data 
RJ45  
6 TX- 
Transmit 
Data 
 
 
CBIB 2’ND PORT FOR LCO 
CONNECTOR 
PIN NUMBER 
NO 
SIGNAL NAME 
1,2 CO-R, 
CO-T 
3 Reserved 
4,5 CO-R, 
CO-T 
RJ45  
6,7,8 Reserved 
 
 
VARIOUS CONNECTORS FUNCTIONS 
CONNECTOR 
FUNCTION 
REMARK 
CN2 and CN3 
PRCPTU2 or PRU2 connection 
 
CN1, CN2 and CN3 
CPCU2 connection 
 
MJ1 
2 ports RJ45 type CO line connection.