User's Manual

FP300RA User Manual
2140-72018-00-0A REV: A Page 27 Of 38
A-4 Host Interface Connector
The host interface connector is 9-pin D-type female connector designated HOST. Its
communication parameters are configured by means of the MAINTENANCE interface.
The connector includes a serial asynchronous DTE interface used for connection to the host
computer. Two interfaces can be selected:
• RS-232 interface: Table A-3 lists the connector pin functions for this mode.
• RS-422 interface: Table A-4 lists the connector pin functions for this mode.
Table A-3: HOST Connector, Pin Functions for RS-232 Interface
Pin Designation Function
1 N.C. Not connected
2 TxD Transmit data output
3 RxD Receive data input
4 N.C. Not connected
5 GND Signal ground
6 N.C. Not connected
7 CTS Clear to send input
8 RTS Request to send output
9 N.C. Not connected
Table A-4: HOST 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 (-)