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ViewStation EX, ViewStation FX, and VS4000 API Guide
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RS-232 Serial Cable Pinout and Connections (ViewStation
EX and FX)
The RS-232 serial cable has a 9-pin DB-9 connector on one end and
an 8-pin mini-DIN connector on the other end. It is used to connect
the ViewStation EX or ViewStation FX to a terminal or another
communications device.
Pin Number Function
1 - DCD Data Carrier Detect
2 - RX Receive
3 - TX Transmit
4 - DTR Data Terminal Ready
5 - GND Ground
6 - DSR Data Set Ready
7 - RTS Ready to Send
8 - CTS Clear to Send
9 - RI This pin is not used.