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Serial 1 and serial 2 interface
137
Serial 1 and serial 2 interface
.
TECHNICAL NOTE: I/O indicates an input or output as viewed from the server.
Pin No.
Signal
Meaning
I/O
1
DCD
Data carrier detect
I
2
RXD
Received data
I
3
TXD
Sent data
O
4
DTR
Data terminal
ready
5
GND
Signal ground
6
DSR
Data set ready
I
7
RTS
Request to send
O
8
CTS
OK to send
I
9
CI
Interrupted call
display
I
1
5
6
9