TP-POE-2456D is a unique device which converts a 24VDC passive POE to 802.3af/at compliant PoE output at 35W max. This is the perfect solution for running IP Cameras or 802.3af/at wireless gear from a passive PoE switch like the Tycon TP-SW5G-NC or TP-SW8-NC or Ubiquiti TOUGHswitch