Solvline SG-3011DCL232 V1.0 - Manual (Page 16)

SerialGate User Guide
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)
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