June 26, 2018
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3. Multiple pieces of GV-I/O Box are connected with the PC through separate RS-485
cables.
After you connect multiple pieces of GV-I/O Box with the PC through separate RS-485
cables, switch on Terminal Resistance Switches of the connected piece of GV-I/O Box at
the end of each cable.
ON
ON
Terminal Resistance Switch
The default setting of the Switch is OFF. To switch on the Terminal
Resistance Switch, push the switch downward.