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The DTEL2 RJ11/45 two-line Dial-Up protector from Tripp Lite is ideal for modems, faxes, and answering machines.
Lightning, electrostatic discharges, ground surges and faulty wiring send surges along your network lines, causing glitches, lock-ups and hardware damage on your computer system. Tripp Lite Network Surge Suppressors end the threat of dataline surges. These devices are installed directly at your data ports, and they protect your computer's delicate internal circuitry with up to 300% more surge absorbing power than competitive models.
According to a study by the National Bureau of Standards, both AC and data lines should be protected to ensure networked equipment is safeguarded from power line surges!