“Y” configured cable; 100 Pin DSub (0.050″ pitch) to 50 Pin IDC (0.1″ pitch) ribbon cable pair.

Cable
[table class=”siTB”]
Product, Description, Price (US dollars)
SI-100D5050, Y Cable – 100 Pin DSub to 50 Pin Ribbon Pair; 1M (3ft) length, 85
SI-100D5050-2M, Y Cable – 100 Pin DSub to 50 Pin Ribbon Pair; 2M (6ft) length, 95
[/table]