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VMC 3000/4000 Series User Manual
Chapter 5: Jumpers and Connectors for VMC 4000 Series
GPIO Setup Selection
Connector size: 4-pin DIP switch
Connector location: SW3
Pin
GPIO
Pull High(*)
GPIO
Open Drain
SW3.1
ON
OFF
SW3.2
ON
OFF
SW3.3
ON
OFF
SW3.4
ON
OFF
(*) Default Setting
1
ON
2 3 4