Tripp Lite's TLP76RBTEL surge suppressor offers complete AC and phone line surge suppression for protection of workstations, desktop PCs, telecom systems and other sensitive electronics. Built-in AC surge suppression shields connected equipment from damage and performance problems due to transient surges. Set of RJ11 telephone line suppression jacks protect dialup and DSL modem lines, fax machines, cordless phones and more. TLP76RBTEL offers 7 total outlets, 6 feet cord and diagnostic LED to warn of suppressor damage. AC suppression rated at 1080 joules shields equipment from surges and line noise.