The adapter is used to power passive PoE of LigoDLB PRO series/LigoPTMP series/NFT 2ac/3ac/NFT 1N-af products from standard AC power source. Electrical specification Input voltage - 37 – 57 V, 802.3af/at Output voltage - 24 VDC +/- 10% Output power - 13 W Output PoE type - Passive on 4,5(+) and 7,8(-) pins Data rate - Passive on 4,5(+) and 7,8(-) pins Output PoE type - 100 Mbps Surge protection - 2 kV line to line, 5 kV line to ground (on output port)