COMMELL FS-A73 - Manual (Page 34)

FS-A73 User’s Manual
34
2.14 <Serial Port>
The board supports Five RS232 serial port and one jumper select able RS232/422/485
serial ports. The jumper JCSEL1 & JCSEL2 can let you configure the communicating
modes for COM2.
Connector: CN_COM2
Type: 9-pin D-sub male connector on bracket for COM2
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
CN_COM2
2 1
8
9