The way to identify the old versus the new Amphenol cables is to look at the 4th character of the serial number.
In the serial number; which you can observe on the physical label or from a
show media command output:
- The 3rd character shows the vendor. In this case, Amphenol is M.
- The 4th character shows the revision of the cable.
- The old cable was B revision.
- The new cable is C revision.
Old Amphenol - First 4 characters of Serial number:
_ _ M B
New Amphenol - First 4 characters of Serial number:
_ _ M C