
LV-67S User’s Manual
-19-
17
RTS2
18
CTS2
19
RI2
20
Key
JP1, JP2
: COM1, COM2 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
2.4.5 <USB interface>
USB3.0
(LEFT)
1
12
2
11
2
6
1
5
2
6
1
5
1
12
2
11
USB3.0
(RIGHT)
1
12
2
11
2
1
5
6