FS-A74 User’s Manual
24
2.11 <Serial Port>
The board supports five RS232 serial port and one jumper selectable RS232/422/485 serial
ports. The jumper JCSEL1 & JCSEL2 can let you configure the communicating modes for
COM2.
Connector:
CN_COM1/3/4/5/6
Type: 9-Pin box header
Pin
Description
Pin
Description
1 DCD
2 RXD
3 TXD
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 RI
10
N/C
Connector:
CN_COM2
Type: 9-Pin box header
Pin
Description
Pin
Description
1 DCD/422TX-/485- 2 RXD/422TX+/485+
3 TXD/422RX+
4 DTR/422RX-
5 GND
6 DSR
7 RTS
8 CTS
9 RI
10
N/C
Setting RS-232 & RS-422 & RS-485 for COM2
CN_COM6/5/4/3/2/1
2 1
10 9
Содержание FS-A74
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