i was wondering do i have to plug the filters into all of the phone jacks or only the one that i will be using to plug the dsl line in? i have 5 phone jacks, 4 of which have phones, and only 1 of them will be used for the dsl line. thanks in advance.
dsl filter quick question
- Thread starter unarmdragon
- Start date
We have dsl and instead of putting filters on all the phone jacks the phone company puts one filter at the point where the phone line enters the building. so you don't have to go around putting filters. you may want to ask the phone company if they can do something like that.
apparently it does not since that is how we have it set and my dsl works just fine. i assumed it was a standard practice. we have bellsouth dsl. it may be something that only bellsouth is doing.
There are two ways to accomplish this.
One: Put a filter on every phone and phone like device in the house. Phone, Fax, answering machine, etc. And the DSL line remains unfiltered. The phone companies like this for self install kits because you dont have to open up your side of the NID box outside and screw with it. If the jack doesn't have a phone or anything else plugged in, no need to put a filter on it.
Two: Put a splitter in the NID phone box outside which splits up phone and voice before it gets into your house. This requires some way to make sure the DSL split part gets to the DSL phone plug. Generally by using a spare pair of wires on the phone cables in your house, or by running a totally separate cable run. This used to be done often with DSL installs, but since the popularity of self install kits has mostly gone by the wayside. This method is also best in terms of possible loss of DSL speed. Filters can affect DSL speed, so can the extra phone wire length since DSL is greatly dependant on distance from CO or RT. Since the splitter needs a dedicated wire to the DSL jack, its essentially a home run as well.
For a year or two I had been using the DSL phone filters in my house. Then I put a splitter and setup a home run (dedicated connection to DSL) at my house to try and sqeeze every possible last bit of speed out of my connection.
One: Put a filter on every phone and phone like device in the house. Phone, Fax, answering machine, etc. And the DSL line remains unfiltered. The phone companies like this for self install kits because you dont have to open up your side of the NID box outside and screw with it. If the jack doesn't have a phone or anything else plugged in, no need to put a filter on it.
Two: Put a splitter in the NID phone box outside which splits up phone and voice before it gets into your house. This requires some way to make sure the DSL split part gets to the DSL phone plug. Generally by using a spare pair of wires on the phone cables in your house, or by running a totally separate cable run. This used to be done often with DSL installs, but since the popularity of self install kits has mostly gone by the wayside. This method is also best in terms of possible loss of DSL speed. Filters can affect DSL speed, so can the extra phone wire length since DSL is greatly dependant on distance from CO or RT. Since the splitter needs a dedicated wire to the DSL jack, its essentially a home run as well.
For a year or two I had been using the DSL phone filters in my house. Then I put a splitter and setup a home run (dedicated connection to DSL) at my house to try and sqeeze every possible last bit of speed out of my connection.
Originally posted by: vi_edit
*scratches head*
Wouldn't putting a filter at the demarc filter out the DSL signal and prevent the DSL modem from being able to connect to the provider?
Dave's infamous No Wire Home Run Page
Most homes have 2 pairs. Most of the time only one line live.
The idea is to have all the phones fed by one DSL filter outside while still getting DSL without filter to the phone plug where you have your DSL Modem.
Go to the Box outside.
Plug phone side of DSL filter to existing line that goes to all of the phone jacks.
Take the unused pair of wires and plug into the DSL side of the Filter.
Go to jack inside where you have your DSL Modem and change the pair of wires to the unused pair that you connected outside.
You now have a home run without having to run a new wire and only one DSL Filter for the house.
If you need the phone to work at the plug where you have your computer and DSL Modem you can use one more DSL Filter there, at least you only have two filters in the house and not five.
Enjoy.
Originally posted by: dmcowen674
Originally posted by: vi_edit
*scratches head*
Wouldn't putting a filter at the demarc filter out the DSL signal and prevent the DSL modem from being able to connect to the provider?
Dave's infamous No Wire Home Run Page
Very interesting idea. Only disadvantage I can see is if something happened to the DSL modem or that stuff was unplugged, none of the rest of the house works. It saves you the $25 of buying a special splitter to put into the NID box, but still requires an unused set of wires.
I never thought of doing something like that before.
gotta put them on all the things that use the line. when a guy installed dish network at my house he put a jack in my room for the receiver and i forgot to put a filter on it and my dsl wouldnt work. kinda funny i guess.. but i guess dmcowen's way is better
Well I would argue that having a splitter in the outside phone box and a homerun are better, for reasons I mentioned above.
But his is a bit cheaper and certainly easy.
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