Appendix C: Pinouts
COM2 UPS
Cable: DB9 and Audio Jack Pinouts
C-5
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-4: COM1 Cable CN1 and CN2 Pinout
Definitions
C.5
COM2 UPS Cable: DB9 and Audio Jack
Pinouts
COM2 cable
is used to connect the COM2 port to a UPS.
PN: GAL-9270CUPSCab
Figure C-5: COM2 Cable CN1 and CN2 Connectors
CN1 Pin Number
Pin Name
1 Ground
2 TXD
3 RXD
CN2 Pin Number
Pin Name
1 TXD
2 RXD
3 NA