Appendix D: Pin Outs
DB9 Audio Jack Pin Outs
D-3
D.2. DB9 Audio Jack Pin Outs
This cable connects the COM1 serial port on the controller module rear
panel for terminal emulation management.
PN: GHDX2-9270ASCab
Figure D-2: RS-232C (Audio Jack) Pin Outs
CN1 Pin Number
Pin Name
1 Ground
2 TXD
3 RXD
CN2 Pin Number
Pin Name
1 NC
2 RXD
3 TXD
4 DTR
(Shorted)
5 GND
6 DSR
(Shorted)
7 RTS
(Shorted)
8 CTS
(Shorted)
9 NC
Table D-2: RS-232C (Audio Jack) Pin Out Definitions