ports: 2 x rj-45 (1 in, 1 out) ieee compliance: 802.3, 802.3af voltage: ac (in): 110/120v dc (out): 48v dimension: 26 mm x 102 mm x 64mm (h x d x w) * complies with the proposed ieee 802.3af specification for power over e'ne * provides dc power over cat 5/ 5e cabling cutting costs & time * houses itself in the switch closet * transforms incoming ac power into low voltage dc power sys requs: 802.3 e'net/fast e'net lan ; 802.3af power-over-ethernet