EonStor A16F-G2430 Installation and Hardware Reference Manual
D-4
DB9 Audio Jack UPS Cable Pin Outs
D.3. DB9 Audio Jack UPS Cable Pin Outs
Use this cable to connect the COM2 serial port to a UPS.
PN: IFT-9270CUPSCab
Figure D-3: RS-232C (Audio Jack) Pin Outs
CN1 Pin Number
Pin Name
1 Ground
2 TXD
3 RXD
CN2 Pin Number
Pin Name
1 TXD
2 RXD
3 NA
4 NA
5 NA
6 NA
7 NA
8 NA
9 Ground
Table D-3: RS-232C (Audio Jack) Pin Out Definitions