IBM 7299 Twinax-to-RJ11 Active Star Hub (New In Box) Two Host Ports - 14 Device Ports RJ11 - Pins 3 and 4 Active (Same as Decision Data and Nlynx Gemini/Gemini...

IBM 7299 Twinax-to-RJ45 Active Star Hub Two Host Ports - 14 Device Ports RJ45 - Pins 4 and 5 Active,Refurbished (Same as Nlynx Gemini Hub P/N 301-2305-021)

Transition Networks Twinax-to-RJ45 Balun Adapter Pins 4 and 5 Active (not pins 5 and 4) Transition Networks P/N 3-4545

Transition Networks Twinax-to-RJ45 Balun Adapter Pins 4 and 5 Active (not pins 4 and 5) Transition Networks P/N 3-4554

Twinax-to-RJ45 Baluns for connecting Twinax Devices over a CAT5 Cable.  To make a replacement for a Twinax cable you will need 2 Baluns (P/N CABLE-BALUN) and a standard CAT5/CAT6 Ethernet...