Instruction manual

Chapter 2 Installation 25
Serial ports (J4, J5)
The Gene-4310 offers two serial ports, one RS-232 and one RS-232/
422/485. These ports allow you to connect them to serial devices
(mouse, printers, etc.).
COM 2 RS-232/422/485 serial ports (J5)
COM1, COM2, RS-232/422/485 serial port
PIN SIGNAL PIN SIGNAL
COM1 1 DCDB 2 RXDB
3 TXDB 4 DTRB
5 GND 6 DSRB
7 RTSB 8 CTSB
9 RIB 10 NC
COM2 1 DCDB 2 RXDB
(485DTXD-) (422RXD+)
3 TXDB 4 DTRB
(485TXD+) (422RXD-)
5 GND 6 DSRB
7 RTSB 8 CTSB
9 RIB 10 NC