Does anyone know how to change the 400 E&M Tie-Line Module from being 4-wire (total of six wires) to 2-wire? Is there a dip switch setting that has to be changed?
Yes the board has a switch setting and you need to know which pins to use in simplex(2-wire) mode. Email me, I either have the document for this card or can find your answer. I found this for someone in a different forum a few months back. EScoTTeL@juno.com
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