Unitronics Vision V120 - Jumper Settings Tables; M91: RS232;RS485 Jumper Settings; V120: RS232;RS485 Jumper Settings

Installation Guide
M91: RS232/RS485 Jumper Settings
RS232/RS485 Jumper Setting
RS485 Termination
To use as
Jumper 1
Jumper 2
Termination
Jumper 3
Jumper 4
RS232*
A
A
ON*
A
A
RS485
B
B
OFF
B
B
*Default factory setting.
V120: RS232/RS485 Jumper Settings
*Default factory setting.
RS485 Termination
Jumper
ON*
OFF
3
A
B
4
A
B
7
A
B
8
A
B
Jumper Settings
Jumper
RS232*
RS485
COM 1
1
A
B
2
A
B
COM 2
5
A
B
6
A
B
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