Jumper settings
Jumper Open
Closed
Function
JW1
X
SG and FG not connected*
JW1
X
SG and FG connected
JP3
JP4
2-3
2-3
1-2
1-2
TxD normal polarity*
JP3
JP4
1-2
1-2
2-3
2-3
TxD Reverse polarity
JP5
2-3
1-2
TxD connected with TxD*
JP5
1-2
2-3
TxD connected with RDY
* Factory setting
JW1
1
2
3
JP3 JP5
JP4
Serial interface RS422/V.11
B - 10