This is an original cable from Nexiq, not a cheap generic one. The one end has the special "clip" design to stay socketed to your USB Link 2 and prevent wear on the USB port. Nexiq USB Link 2. Cable Type: USB.
USB Replacement Cable for Nexiq USB Link 2
493033 3-Pin Diagnostic Adapter Cable Replacement Part for Nexiq USB Link 2&3
493033 3-Pin Deutsch 2-Pin Cummins Diagnostic Adapter Cable for Nexiq USB Link 2
MPS-493033 Diagnostic Adapter Cable For Nexiq USB Link 2 & 3, Cummins Inline 7