transformer/electronic transformer/lan transformer,used in HUB,PC card,Switch,Route,PC Mainboard,SDH, ... in the communication and networking equipments such as switch,hub,LAN card,SDH,PDH,xDSL device etc. Features: 1 ... Single port, two ports, and quad ports.3) For adapter cards, MAUs, hubs, and motherboard applications.4) Designed for ... 9) Main P/N:H1074NL,TRB81074NLE,etc. H1074NL ethernet transformer