Rugged Outback RS416 manual 3 RS232/RS485/RS422 via RJ45, Shield

4.6.3 RS232/RS485/RS422 via RJ45

Each port is individually selectable via software to be RS232, RS485 or RS422. The RJ45 port and pin-out is shown below.

Figure 17: RJ45 Port pin-out
	Pin	RS232 Mode	RS485 Mode		RS422 Mode
1		DSR	-		RX-
2		DCD	-	-
3		DTR	-	-
4		Common (Isolated Ground)
5		RX	-		RX+
6		TX	TX/RX +		TX +
7		CTS	-	-
8		RTS	TX/RX -		TX -
	Shield		Chassis Ground

Table 6: RJ45 Port pin-out

NOTES:

1.No internal termination is provided.

2.Pins 1, 2, and 3 are connected internally. Pins 7 and 8 are connected internally. The pins are permanently asserted to 5V so that DTE devices that require DCD, DTR, or CTS signals will operate. However, hardware flow control via RTS is not recognized.

3.The Common terminals are optically isolated; however, there is transient voltage protection circuitry between the Common terminals and chassis ground.

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