Encoder help

I was wanting to use the sound logic encoder enterface board and mach2
software as a DRO but my encoders I think are differential with
A+
A-
B+
B-
Z+
Z-
5VDC
GROUND
Conections, will these encoders work for this.

I have been told that I just hook up the A+, B-, power, and ground but I need
to make sure, before I purchse this board, what I am getting into.


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