Picked up a Domino CO2 laser marking head with galvos.
It appears from the pictures the laser RF power supply is part of the assembly and it's pretty easy to determine the power connections...

However the connections on the driver board have me stumped - the BLACK, WHITE, BLUE, PURPLE and YELLOW wires in the photos.Click image for larger version. 

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I was wondering if anyone on the forum had any info on this sort of module they could share...

Thanks !