
ROC Plus SIO Driver
18
EIO0000001145 03/2012
COM1 (RJ45 Socket)
RS-232C
RS-422/485 (2-wire)
WARNING
UNINTENDED EQUIPMENT OPERATION
When making your own connections, use shielded RJ45 connectors. The shielded
connector provides isolation against electromagnetic interference and provides a
more secure physical connection in the RJ45 socket. Use of an improper RJ45
connection could lead to insecure connections.
Failure to follow these instructions can result in death, serious injury, or
equipment damage.
Pin Number Symbol Description
1 RD(RXD) Receive Data
2 SD(TXD) Transmit Data
3
4
5
6
7
8 GND Common Ground
Pin Number Symbol Description
1
2
3
4 D1(+) Send Data (Positive Signal)
5 D0(-) Send Data (Negative Signal)
6
7
8 GND Common Ground
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