Table A-2 Origin200 Serial Port Pin Assignments, Rs-422 Mode - Silicon Graphics Origin200 Owner's Manual

Table A-2 shows the connector pin assignments for the serial ports in RS-422 mode.
Table A-2 Origin200 Serial Port Pin Assignments, RS-422 Mode
Pin Assignment
1 (Reserved)
2 Receive Data– (RXD–)
3 Transmit Data– (TXD–)
4 Transmit Data+ (TXD+)
5 Signal Ground (GND)
6 Receive Data+ (RXD+)
7 Output Handshake (HSKo)
8 Input Handshake (HSKi)
9 (Reserved)
Serial Ports
203