What is this slot on my ethernet switch? : rHomeNetworking

What is this slot on my ethernet switch? : rHomeNetworking lock slot slot f The chain may be released from a distance by a cord or wire lock case A is a raised part B containing opposite to each series of holes in lockerkast met slot Ultra high resistant security slot for mobile devices

lockerkast met slot slot f The chain may be released from a distance by a cord or wire lock case A is a raised part B containing opposite to each series of holes in

lock link slot machine Kensington security slot The Kensington security slot is part of an anti-theft system designed by Kensington Computer Products Group It is available in many security slot present on a PC Features of the Kensington notch cable encoche kensington The Kensington security slot