How to Install DSL Filters
Digital Subscriber Line (DSL) service compresses computer data into the uppermost spectrum capable of transmission across a standard telephone line, allowing for a much faster Internet connection than with dial-up service. Because some frequencies used by DSL fall into the audible range, they must be filtered out so that they do not interfere with voice conversations on the same line. This function is achieved by installing DSL filters, a quick and simple task.
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Instructions
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Install DSL Filters
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1
Unplug the telephone wire from the jack. To remove the telephone wire, find the plastic modular plug that joins the telephone wire to the wall jack. Press down on the plastic clip that holds the plug in place, and pull the plug gently out of the jack.
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2
Plug the DSL filter into the jack. Standard DSL filters feature a male end and a female end; a short telephone wire with a plastic modular plug identical to the one removed in Step 1 is the male end of the filter. Align the modular plug on the male end of the filter with the jack vacated in Step 1, then press gently but firmly until the modular plug clicks into place.
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3
Connect the telephone line to the DSL filter. The female end of the DSL filter will feature a modular port identical to the one on the wall jack. Align the plastic modular plug of the telephone line (the same plug removed in Step 1) with the jack on the DSL filter and press gently but firmly until the modular plug clicks into place.
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4
Test the telephone. With all connections secure, the DSL filter should be in place and the telephone operational. To test the telephone, simply pick up the handset and listen for a dial tone. If you don't hear the tone, the DSL filter may be faulty and should be replaced.
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5
Repeat for each telephone in the home or office. Because DSL service is always on and constantly occupies the telephone line, DSL filters should be applied to all telephones that share the line with the DSL modem. Repeat steps 1 through 4 until each telephone in the home or office is filtered.
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Tips & Warnings
To install DSL filters for wall-mounted telephones, align the filter with the wall jack and press it firmly until it clicks in place.
Telephone lines carry a low voltage electrical current; be sure to stay away from water when working with telephone connections.
