IOLAN SDG1 LA/LE Hardware Installation Guide
Appendix D - Cabling and Connectors
This appendix provides information for the serial RJ45 connector and the Ethernet cable.
A Starter Kit (optional) can be purchased from
https://www.perle.com/products.shtml.
The serial port can operate in either EIA 232, 422 or 485 mode. This is a software config
-
uration. If EIA 422 or 485 is selected, the line termination may need to be set. SW5 has
two switches associated with the serial port. See
Terminating 485/Full/Half and 422
below.
Ensure you have the appropriate cable for connecting your serial devices to the serial
ports on the IOLAN.
IOLAN RJ-45 Connector
Pinout
Pinout EIA-232
EIA-422
EIA-485
Full Duplex
EIA-485
Half Duplex
1 (in)
DCD
2 (out) RTS
TxD+
TxD+
TxD+/RxD+
3 (in)
DSR
4 (out) TxD
TxD-
TxD-
TxD-/RxD-
5 (in)
RxD
RxD+
RxD+
6
GND
GND
GND
GND
7 (in)
CTS
RxD-
RxD-
8 (out) DTR