Galaxy A16F-R2422 Installation and Hardware Reference Manual
C-4
Pin Outs
C.3 DB9 Audio Jack Y-Cable Pin Outs
The two (2) audio jacks to DB-9 Y-cable connects the COM1 serial ports on
dual controller module rear panels for maintenance-free terminal emulation
management during controller failover/failback.
GAL-9270AYCab
Figure C-3: 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 C-3: RS-232C (Audio Jack) Pin Out Definitions