The FSP FSP025-1AD207A is a 48V 0.52A (25W) switching power adapter primarily compatible with networking and VoIP equipment, notably H3C access points (WA2610E, WA2620) and Avaya/Nortel IP phones (1120E, 1140E, 1150E, 1200 series). It is also compatible with P/N 9NA0251008-GP, 9NA0251017-GP, and NTYS17CAE6.