Melec CB-06v1 100-Pin Mini D 0.05" MDR Breakout Board Terminal Block Contec PIO

Melec CB-06v1 Breakout Board for 100-Conductor Cable. Previously used with a Contec PIO I/O card. This appears to be a 100-conductor Mini D socket with 0.05" spacing. 

Please note: I have a number of these units for sale, photos are representative.