COMMELL LV-67D - Manual (Page 31)

LV-67D User’s Manual
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2.12 <Serial Port>
The board supports one RS232 serial port and one jumper selectable S232/422/485
serial ports. The jumper JCSEL1 & JCSEL2 can let you configure the communicating
modes for COM2.
Connector: CN_COM2
Type: 10-pin (5 x 2) 2.54mm x 2.54mm-pitch box header 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
Connector: CN_COM3/4/5/6
Type: 20-pin (10x2) 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
11 DCD- 12 RXD
13 TXD 14 DTR
15 GND 16 DSR
17 RTS 18 CTS
19 RI 20 N/C
Jumper: JCSEL1 & JCSEL2
Type: Onboard 6-pin & 12-pin jumper
1 19
2 20
COM2
COM3/4/5/6
2 10
1 9