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Power Over Ethernet Pinouts
370 IOLAN SDS/SCS/STS/MDC User’s Guide, Version 4.0
DB9 Male I/O
This section defines the pinouts for the DB9 male connection used on the 1-port IOLAN I/O models.
The following table provides pinout information:
Pinout
9-pin
EIA-232
EIA-422/485
Full Duplex
EIA-485
Half Duplex
1(in) DCD
2 (in) RxD RxD+
3 (out) TxD TxD- TxD-/RxD-
4 (out) DTR
5 GND GND GND
6 (in) DSR RxD-
7 RTS TxD+ TxD+/RxD+
8 (in) CTS
9
Power Over Ethernet Pinouts
This section defines the pinouts for the RJ45 Ethernet connection used on the IOLAN SDS P or
IOLAN SCS P models.
Pin 1 Pin 8
The following table provides pinout information:
Pinout Standard 802.3AF Unit-4 Wire 802.3AF Unit-8 Wire
1 Tx+ Tx+/+Voltage Tx+
2 Tx- Tx-/+Voltage Tx-
3 Rx+ Rx+/-Voltage Rx+
4 N/C +Voltage
5 N/C +Voltage
6 Rx- Rx-/-Voltage Rx-
7 N/C -Voltage
8 N/C -Voltage