11 Page 32
Page 32
LV-67H User’s Manual
-
30
-
2.11
The board supports Three 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: COM1/3
Type: 9-pin D-sub male connector on bracket for COM1/3
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: 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
Setting RS-232 & RS-422 & RS-485 for COM2
COM1
COM3
COM2