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Knowledge Base

How to Use DSL Line Filters

DSL filters are inexpensive adapters you use to shield your phone line from the digital noise and interference caused by the telephone devices you have in your office or household. All phone devices must have a line filter placed between them and the wall outlet.

Which Phone Cords Require DSL Line Filters?

How to Install a Line Filter

It’s as easy as installing an ordinary telephone:

  1. Unplug the regular phone cord from the wall jack.
  2. Plug the DSL filter into this jack.
  3. Now plug the phone cord into the DSL filter.
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