FNM alpha SM 230, User Manual, Page: 12 / 72

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Description of device-specific features
Base module with LAN interfaces alpha WSN BM 110
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Fig.: Functional elements BM 110
Pin Designation Function
1 N.C. not connected
2 RXD received data
3 TXD transmission data
4 N.C. not connected
5 GND ground
6 N.C. not connected
7 N.C. not connected
8 N.C. not connected
9 N.C. not connected
Table: Pin assignment of the RS232 socket
Pin Designation Function
1 Tx+ transmission data
2 Tx- transmission data
3 Rx+ received data
4 PoE 1
5 PoE 1
6 Rx- received data
7 PoE 2
8 PoE 2
Table: Pin assignment LAN socket
Designation Function
Interior contact positive supply voltage
External contact ground
Table: Assignment of the power supply unit socket