How to use PoE switch to power IP camera
Power over Ethernet use single Ethernet cable to send both power and network to remote IP cameras which saves installation cost. The power adaptors are eliminated at the front end. Part of the power will converted to the heat and loss on the cable. Choose the qualified Ethernet cable, especially the pure copper, is critical for both network and the power. The PoE switch can supply 25.5W remain power to the front end IP cameras.