Rj45 – Perle Systems IOLAN SCS User Manual
Page 353

Pinouts and Cabling Diagrams 353
Serial Pinouts
The power in pin, pin 12, can be 9-30V DC.
RJ45
This section defines the pinouts for the RJ45 connection (see
SCS48C/SCS32C/SCS16C/SCS8C on page 354
for the SCS48C model). 1-port, 2-port, and 4-port
desktop IOLAN models have a 10-pin RJ45 connector and all rack mount IOLAN models have an
8-pin RJ45 connector. These pinouts do not apply to I/O models.
The following table provides pinout information:
The power in pin, Pin 1, can be 9-30V DC. The 2-port IOLAN has power in on Port 2 only. The
4-port IOLAN has power in on Port 4 only.
15
RxD-
RxD-
18
CTS+
19
CTS-
20 (in)
DSR
21
TxD+
TxD+
DATA+
22
TxD-
TxD-
DATA-
25
RTS+
Pinout
10-pin
Pinout
8-pin
EIA-232
EIA-422
EIA-485
Full Duplex
EIA-485
Half Duplex
1
Power In
Power In
Power In
Power In
2 (in)
1
DCD
3 (out)
2
RTS
TxD+
TxD+
DATA+
4 (in)
3
DSR
5 (out)
4
TxD
TxD-
TxD-
DATA-
6 (in)
5
RxD
RxD+
RxD+
7
6
GND
GND
GND
GND
8 (in)
7
CTS
RxD-
RxD-
9 (out)
8
DTR
10
Power out
Power out
Power out
Power out
Pinout
EIA-232
EIA-422
EIA-485
Full Duplex
EIA-485
Half Duplex
Pin 10
Pin 1