User's Manual

FP300RA User Manual
2140-72018-00-0A REV: A Page 29 Of 38
Table A-7: AUX Connector, Pin Functions for RS-422 Interface
Pin Designation Function
1 RxD- Receive data input (-)
2 TxD+ Transmit data output (+)
3 RxD+ Receive data input (+)
4 TxD- Transmit data output (-)
5 GND Signal ground
6 RTS- Request to send output (-)
7 CTS+ Clear to send input (+)
8 RTS+ Request to send output (+)
9 CTS- Clear to send input (-)