SerialGate User Guide
16
Serial Port Pin Description
RS-232
Pin No.
Signal
Description
1
DCD
Data Carrier Detection (Input)
2
RXD
Receive Data (Input)
3
TXD
Transmit Data (Output)
4
DTR
Data Terminal Ready (Output)
5
GND
Ground
6
DSR
Data Set Ready (input)
7
RTS
Request to Send (Output)
8
CTS
Clear to Send (Input)
9
RI
Ring Indicator (Input)
