FNM alpha SM 230, Руководство пользователя, Страница: 13 / 72

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Description of device-specific features
Base module with USB interfaces alpha WSN BM 120
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Fig.: Functional elements BM 120
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 VCC +5 V supply voltage
2 D- data
3 D+ data
4 GND ground
Table: Pin assignment USB socket
Designation Function
Interior contact positive supply voltage
External contact ground
Table: Assignment of the power supply unit socket