EnGenius NPE-4818 48V Power-over-Ethernet (PoE) Injector: * Transform AC power to 48V DC power * Inject 48V DC through CAT5 cable, pin 4,5,7,8 into remote devices such as wireless AP, web camera or IP phone * Output: 48V/0.375A * Follower 802.3af standard power pin definition * RJ-45 connector and pin out