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Jumpers

There is a DIP switch (include two bits) in the circle. It is used for
selecting RS-485 matched distance mode.
The Voyager equipment supports biasing and end-of-line termination for
the RS-485 network.
Jumper
SW1.1&2
a. RS-485 allows the wiring of a multidrop communication
network of up to 1200 m in length. SW1 DIP switches Pin1,
Pin2 set in ON position.
b. RS-485 Port communication network should not exceed 15
m in length. SW1 DIP switches PIN1, PIN2 set in OFF
position.
ON/OFF
ON
OFF
Figure 26 Jumpers
Function
Long distance - up to 1200m
Short distance - up to 15m
39

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