With recent firmwares (on v17 now) if you insert a GLC-T GBIC into a port, it brings the port up, even if there is no cable plugged in. I'm sure this didn't happen in earlier versions:
It is..., maybe I'd never plugged in a GBIC without a cable before. I only did it this time to show someone else on the community what they should see when a GBIC was plugged in!
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