COMMELL LV-67M - Manual (Page 24)

LV-67M
User’s Manual
-23-
COM5/6: COM 20-pin header (Pitch 2.54 x 1.27mm)
Pin Signal Pin Signal
1 DCD1 2 RXD1
3 TXD1 4 DTR1
5 GND 6 DSR1
7 RTS1 8 CTS1
9 RI1 10 NC
11 DCD2 12 RXD2
13 TXD2 14 DTR2
15 GND 16 DSR2
17 RTS2 18 CTS2
19 RI2 20 Key
JP1, JP2, JP3, JP4: COM1, COM2, COM3, COM4 pin-9 setting
Jumper settings Function
1-2 5V
3-4 12V
5-6 RI (Default)
Effective patterns of connection: 1-2 / 3-4 / 5-6
Other may cause damage
JCSEL1, JCSEL2: For configure COM2 communication mode
Function JCSEL1 JCSEL2
RS232
RS485
RS422
IrDA
1
12
1
12
1
12
1
12
8
1
8
1
8
1
8
1
2
11
2
11
2
2
11
11
2
2
2
2
7
7
7
7