D-Link DSL-210 User Manual download pdf (Page 7)

DSL-210 USB ADSL Modem User’s Guide

Microfilters and Splitters

Most ADSL clients will be required to install a simple device that prevents the ADSL line from interfering

with regular telephone services. These devices are commonly referred to as microfilters or sometimes

called (inaccurately) line splitters. They are easy to install and use standard telephone connectors and

cable.

Some DSL service providers will send a telecommunications technician to modify the telephone line,

usually at the point where the phone line enters the building. If a technician has divided or split your

telephone line into two separate lines - one for regular telephone service and the other for ADSL – then

you do not need to use any type of filter device. Follow the instructions given to you by your DSL service

provider about where and how you should connect the Modem to the ADSL line.

Microfilters

Unless you are instructed to use a “line splitter” (see below), it will be necessary to install a microfilter

(low pass filter) device for each telephone or telephone device (answering machines, Faxes etc.) that

share the line with the ADSL service. Microfilters are easy-to-install, in-line devices, which attach to the

telephone cable between the telephone and wall jack. Microfilters that install behind the wall plate are

also available. A typical in-line microfilter installation is shown in the diagram to the right.

In-Line Microfilter

Note:

Do not install the microfilter between the Modem and the telephone jack.

Microfilters are only intended for use with regular telephones, Fax

machines and other regular telephone devices.

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D-Link DSL-210 User Manual Page 7