
Using the Modbus Ports
870USE10110 July 2004 127
Terminating
Resistor Plugs
The illustration below shows the pinout for the Modbus Plus or Modbus RS485
terminating RJ45 resistor plugs.
Terminating
Shunt Plugs
The illustration below shows the pinout for the Modbus RS485 terminating RJ45
shunt plugs.
1
3
4
5
7
2
6
8
RJ45 Connector
1/4W
121Ohm
1%
1/4W
121Ohm
1%
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