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Do I Need A DSL Filter? Features and How It Works

dsl filter

If you happen to have a DSL connection, you will be familiar with the DSL filters as well. Everyone who wishes to have access to high-speed Internet knows about it. If you do not have this connection, you will have to check with your Internet service provider if they offer it or not. The chances that they do not are thin as many wireless Internet service providers offer DSL.

Let’s dig a little deeper to know all there is about DSL filters.

What is a DSL Filter?

Those who have a DSL Internet already would know that this form of connection gets transferred via a telephone line. Many people invest in a separate telephone line that they dedicate for Internet purposes only. However, some people continue using the same line for both making calls and connecting the Internet.

This is where the DSL filter comes into play. This device does not let any line interference happen. It is necessary because a DSL connection is an always-on Internet service. As opposed to other Internet connections for which you have the option of logging out and logging in. The filter gets installed in your device’s line to keep the calls separate from the Internet. However, subscribing to a DSL connection does not always mean that you would need a DSL filter as well.

When do I Need the DSL Filter?

Although it seems like an inconvenient connection many people opt for it because of the DSL speed that is much more than any other connection. People label it as inconvenient based on the filter and at times the separate line needed for it. However, you do not always need to get the filter installed.

For example, if you guided the service provider at the time of installation to use the splitter method, then you would not need the filter later. Because the splitter method already helps to ensure that there is minimum interference in the line. In this method, the technician, at the time of installation, splits the line into two. Hence, connecting one line to the telephone and the other to your DSL modem.

However, if the splitter device does not get installed at the time of installation, then you have to opt for the filter. You do not want to end up mixing the two lines and welcome trouble. Line interference can lead to a poor Internet connection or cause phone related issues.

How does Filter Work?

You might be thinking to yourself that only the technician can install the splitter or the filter. This thought is wrong. As you can add the filter to the line yourself as well. If reading about the filter convinced you into thinking that it gets installed in the wire, then that is wrong too. Because you will have to install it inside the jack that you see on the wall near your telephone set. The filter is a connecting device and it has RJ 11 connector on both sides.

Begin by disconnecting the telephone line from your device’s jack. Once done, you will have to fit the RJ11 port inside the jack. Then, you can connect the telephone line back into the jack as well. While you are at it, do not confuse the DSL connection with the old-school dial-up one. Because a dial-up connection occupies your telephone line under all circumstances. This means that you cannot use your telephone to make calls when you connect it to the Internet via a dial-up connection. Another difference is in the speeds of both connections. DSL is much faster than dial-up.

Do not worry if you live in rural areas. Search for the best rural internet providers and they would most likely be offering DSL.

Am I Eligible for a DSL Filter?

Before mentioning the pros of installing a filter, you should know that the DSL connection automatically keeps your telephone line separate from your Internet connection. Because the DSL connection is responsible for sending digital signals whereas the telephone line sends voice signals. The digital signals get sent over the unused portion of your telephone line. Hence, allowing you to use both the Internet and telephone simultaneously. However, the filter or splitter improves the quality further.

Other than that, you would want to install the micro-filter for the following reasons:

Preventing Disruption between the Devices

The main purpose of the filter I s to prevent any form of interruption that may occur between the device and the DSL connection on the same line. Because the line is capable of interfering with your DSL connection. So, to keep things smooth, a filter becomes a necessity. After all, no one appreciates his Internet getting disconnected after every hour or so.

The filter keeps the echoes from the analog device away. If you do not have a splitter connection, then you should opt for the filter. You will have to install it on each device that has a connection to the DSL phone line.

Filtration of Blockade

If you use devices like the fax machine, your regular modems, or even your telephone, it is highly likely that they will interrupt your telephone line when you are using them simultaneously. This, in turn, causes the disruption in your DSL connection as well that gets transmitted to you via the telephone line. The result is a poor Internet connection. Something that almost everyone fears.

The problem will continue as long as you use the fax machine, the modem, or your telephone line. There has to be a solution to this issue. And DSL filter is the answer. The DSL filter helps ion filtering out the blockade that these devices may cause to the DSL connection. Therefore, you should also put these filters between your fax machines and modems as well.

Prevention of Signals Reaching Other Devices

DSL filter also keeps any DSL signals from reaching any other device(s). You would not want the high-frequency signals that your DSL connection emits to reach any of your devices including the fax machine. Because you know exactly how the signals are capable of disrupting almost everything.

Limitations of DSL Filters

Although it has many benefits, there are certain limitations of using the DSL filter as well. To begin with, you cannot continue to install as many filters as you please. There is a limit to that as well. Generally, you can install up to four filters. Because using too many filters can be a source of disruption in the phone lines as well. You know exactly what happens when there is a disruption in the phone line. For those who weren’t able to guess, the disruption in the phone line causes the same in the DSL connection as well.

The ideal situation is to opt for the whole-house splitter. It will keep you away from any worries and hassle of filter installation.

If you still believe that opting for DSL would be more of a hassle, you can make a DSL vs. Broadband comparison. However, it is highly likely that you will choose a DSL connection after that as well. Because the pros are more than the cons.

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