Connect a tone generator and use a probe to work out which cable that is. Either disconnect the AP and plug the generator into that cable for a while or identify both of the others. Be careful with PoE and cheap tone generators as they can destroy each other.
Connect a tone generator and use a probe to work out which cable that is. Either disconnect the AP and plug the generator into that cable for a while or identify both of the others. Be careful with PoE and cheap tone generators as they can destroy each other.
Something like https://www.amazon.co.uk/ELEGIANT-Tracker-Detector-Multifunction-Ethernet/dp/B01HJQ4JA4/ (I haven't used that one)