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How A DSL Filter Works

By: Jack Kennedy

Most of the time, every telephone line will be equipped with a DSL filter and only the cable connection will be left without it. Installed on the telephone lines or some other type of analog device, a DSL filter ensures outside interference is prevented when DSL services are functioning on one line. Without this the connection can have major performance problems.

Many people split the telephone line keeping one line for the DSL modem and the other for the telephone and fax machine.

There are many devices with specific uses, such as special telephones for the deaf, that are not functional with a DSL filter. For these situations, a separate line will need to be installed.

How It Works

With the DSL filter installed, the analog low pass filter will ensure that the signals are not interfered with by any outside noise or higher frequency signals. Without this filter, you will experience connectivity problems, and possibly a buffer sound and gurgling noises in the background. This problem can be avoided when the telephone wires and the DSL modem line are separated. This is why some people prefer cable to the DSL service.

With cable, you connect and use it. There is no need to be concerned with the frequency, filters, other connections, signal interference and so on. This makes cable seem much more reliable and suitable for continuous and heavy surfing. In reality, the cable also can be unreliable, depending largely on the efficiency of the provider and the maintenance it provides to the customer and his equipment. Cable internet is extremely fast and reliable with regular the maintenance done well.

Using the DSL filter correctly is a very safe, fast and secure way to surf the Internet. The initial installation and getting it to work at optimal levels can be bothersome, at first. Nevertheless, many people are recognizing DSL to be just as effective, if not more so, than cable.

Article Source: http://www.articlekingpro.com

Jack Kennedy monitors and reviews the Broadband DSL industry. To read more, please visit The DSL Center.

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