Data Line Surge Protector is a cable that connects from the router to the computer. Owing to its impeccable functionally in providing protection against electrical transients and has an exceptionally long life. BDL-RJ45 signal Surge Protective Devices are especially utilized for a variety of computer networks like token-ring network, Ethernet network (LAN) etc. It is widely used in server equipments, router, working stations (intranet) HUB and board band.