Advantech SOM-DB4700, Руководство пользователя

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SOM-DB4700 User Manual 6
COM1 COM Port 1 Connector
Pin Pin Name # : low active
1 NDCD#1
2 NRXD1
3 NTXD1
4 NDTR#1
5 GND
6 NDSR#1
7 NRTS#1
8 NCTS#1
9 COMA
10 GND
11 GND
COM2 COM Port 2 Connector
Pin Pin Name # : low active
1 NDCD#2
2 NDSR#2
3 NRXD2
4 NRTS#2
5 NTXD2
6 NCTS#2
7 NDTR#2_RXD485-
8 COMB
9 GND
10 NC
COM3 COM Port 3 Connector
Pin Pin Name # : low active
1 NDCD#3
2 NDSR#3
3 NRXD3
4 NRTS#3
5 NTXD3
6 NCTS#3
7 NDTR#3_RXD485-
8 COMC
9 GND
10 NC