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DSL Filter

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DSL refers to Digital Subscriber Line, an all time on service used for subscribing internet through using standard telephone line connection, while DSL filter is a peripheral part of DSL service that requires sometimes for installing the DSL device.

DSL Filter

     

DSL refers to Digital Subscriber Line, an all time on service used for subscribing internet through using standard telephone line connection, while DSL filter is a peripheral part of DSL service that requires sometimes for installing the DSL device. DSL filter, also known as micro filter is an analog low-pass filter device that installs on telephone and other analog device for preventing interference between analog devices and DSL service operating on the same line.

DSL filters restrict the problem of line noise and many others for the analog devices when it is applied on the DSL, otherwise high-frequency signals or echoes from analog devices creates the connection problems and reduces the performance. A DSL filter exists like a very small rectangular device that is connected with RJ11 connectors on the both sides. The user has to do simple things, just unplug the telephone line, insert the filter into RJ11 jack and then plugs the telephone line into the filter. It is also used in various home and official devices like fax machine, voiceband modem, answering machines, telephone and other devices based on voiceband and internet. It can also be used for more than one analog telephone devices by splitting the line in to two parts in which it is connected to one leg and other leg is connected to DSL modem. On the other hand it can not be used for some other analog devices like monitored alarms and telephone devices for the deaf persons.

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Posted on: April 1, 2008

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