This is a Data Transfer Switch A/B/C/D. 4 in/1 out or 1 in/4 out. Includes 10 Data Cables: Five 5.pin.din plugs on cable, Five 14 pin plugs on cable. Cables are 6 feet long. Box is 7 1/2" x 6"x2". 4 position switch. $15. It is in Penryn. Call show contact info
to see it/buy it.