
LE-37I User’s Manual
-17-
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
(Default)
RS485
RS422
2
5
6
1
2
5
6
1
2
5
6
1
2
1
11
12
2
1
11
12
2
1
11
12