EonStor S12F-R1432/G1433 Installation and Hardware Reference Manual
B.5
COM2 Serial Port Cable to UPS: DB9
and Audio Jack Y-cable Pinouts
Figure C-5: Connector Pinouts - Adapter Cable for COM2
CN2 & CN3 Pin
Number
Pin Name
1 GND
2 TXD
3 RXD
CN1 Pin Number
Pin Name
1 TXD
2 RXD
3 NA
4 NA
5 NA
6 NA
7 NA
8 NA
9 GND
Table C-5: COM2 Adapter Cable CN1 and CN2 Pinout
Definitions
B.6
IFT-9011 Null Modem
A null modem is used for wire-swap and is necessary for connecting
COM1 CN2 to a PC serial port.
B-6