Certain phone jack points not working

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DamageInc

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#171863 3-May-2015 21:38

Related to a post I raised yesterday, after doing isolation tests on the jack points around the house I have 1 point that can get a reliable adsl connection. The rest are hit and miss. Among those points that cannot get a connection is the point that has the phone which works fine.
Also I thought the modem/router plugged directly into the point with no filter which is how it's been setup last couple weeks. Now it only connects if the filter is on as well. Strange.

On the points that don't connect I can still log into the modem and see connection stats - downstream and upstream link rate look fine as does line attenuation but the noise margin on the downstream hovers between 0 or a negative number. On the upstream it sits at 12db.

Anyone have any idea what is wrong here?

Pop! OS

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#1296299 3-May-2015 21:39

Do you know if you have a master filter installed?

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DamageInc

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#1296300 3-May-2015 21:41

sidefx: Do you know if you have a master filter installed?

apart from the normal adsl filter that the modem and phone is plugged into, i'm not sure sorry what a master filter looks like? will google it

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DamageInc

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#1296302 3-May-2015 21:44

if i did where would that be installed (bearing in mind we have only been in this house 3 weeks)?

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sidefx

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#1296303 3-May-2015 21:48

Probably in the ETP - little box on the outside of your house where the line comes into the house. Does the jackpoint that works have a sticker or label on it that says modem or anything like that?

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DamageInc

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#1296305 3-May-2015 21:52

sidefx: Probably in the ETP - little box on the outside of your house where the line comes into the house. Does the jackpoint that works have a sticker or label on it that says modem or anything like that?

the point that works has a faceplate with the letter S on the lower right

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DamageInc

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#1296312 3-May-2015 22:02

Out of curiosity I checked the chorus map and we can get vdsl, would that upset the adsl?

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Jase2985

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#1296382 4-May-2015 06:22

unless you get a second line, its either ADSL or VDSL

depending on your ISP when you get VDSL they should come and install a master filter and a dedicated jack point for your modem for you.

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marlinz

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#1296390 4-May-2015 07:28

here is my Master filter for VDSL do you have anything like this around

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coffeebaron

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#1296392 4-May-2015 07:32

That is not the master filter, just the jack-point (which will feed off the master filter from the ETP)

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pdath

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#1296393 4-May-2015 07:33

Phone jacks are so cheap. You can buy a kit including a punch down kit which is colour coded to show which wire goes where. I bought a couple from Mitre 10 myself. It gives you a good chance to examine the wiring as well.

In my case it wasn't too hard to pull through new cabling using the old cabling so I put in some nice new cat 5e as well.

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marlinz

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#1297400 4-May-2015 08:31

coffeebaron: That is not the master filter, just the jack-point (which will feed off the master filter from the ETP)

i stand corrected

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#1297416 4-May-2015 09:13

marlinz:
coffeebaron: That is not the master filter, just the jack-point (which will feed off the master filter from the ETP)

i stand corrected

a master filter/splitter is about 2x as big as that and generally black

DamageInc

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#1297791 4-May-2015 17:39

Went round took some photos:

Inside master:

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DamageInc

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#1297792 4-May-2015 17:42

another point:

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richms

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#1297804 4-May-2015 17:44

Ick. Old 3 wire stuff.

Call your ISP, upgrade to VDSL and they will send a tech to sort the wiring out with a splitter and new socket for you and you will have better speeds too.

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