I have these listed in 2 seperate auctions on eBay. I figured someone here may be interested. The board is powered through the 3 pin XLR cable by the Demux. Makes it nice to not be tethered by a power cable. The demux has 16 low current 0-10V outputs. This set-up uses an older NSI protocol called multiplex. Even though the demux model is a DMX 16 it will not understand DMX protocol. I figured this may be just the thing to control someones lumina or beam table on the cheap.

http://cgi.ebay.com/ws/eBayISAPI.dll...#ht_500wt_1202