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What is the Normal Power On Behavior of a SmartLink Station?

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Situation

How can I tell if my SmartLink station is receiving power and communication from the processor? What do the LED indicator lights on the station do when it first receives power? 

Solution

1. Meter the two SmartLink data lines running into the station for volts DC. This should read about 42vDC. 

2. Examine the buttons on the station for a rainbow chase (all buttons changing color in unison) upon power up. This is normal behavior and should appear whether or not the station and processor are communicating with eachother. 

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If the SmartLink station is not communicating with the processor, but is receiving power . . . LED indicator lights will not appear when buttons are pushed.