The majority of all surge induced damage is caused by surges and spikes traveling along unprotected data lines. These surges originate from a wide variety of sources, including static charge build up and lightning strikes. Left unprotected, your data lines expose network cards, A/V components, modems and other network equipment to damaging electrical transients. The Rackmount ProtectNet family offers a modular approach to protecting a variety of data lines, including telephone lines, network lines, coax cables and more. Installing any combination of individual surge protection modules into either the four or 24 position chassis and connecting them to earth ground will prevent back door surges from ruining your productivity and costing you money.