Disconnects/Noise margin problems after dark
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Disconnects/Noise margin problems after dark
15-11-2012 10:44 AM
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More info:
* We're on ADSL2+, sync speed is normally somewhere between 9600 and 9800
* The modem/router I have is a TP-Link TD-8840T (http://www.tp-link.com/en/products/details/?model=td-8840t)
* It is plugged directly into a telephone socket upstairs in the study - no telephone plugged in so no microfilter
* 2 Sky boxes/telephones elsewhere in the house are all plugged in via microfilters
* I can't really try it in the master socket as that is 3 floors down and this would mean dismantling my entire internal network to do so and I wouldn't be able to test it properly anyway as the problems occur over time during the evening when the internet is in use
* We did have a problem with noise on the phone line earlier this year but BT resolved this and it is now quiet
Any ideas? Is it more likely to be the line, the modem or our internal wiring?
I would take a drop in speed to get a more stable connection or buy a new modem or pay someone to fix our wiring if it will resolve the problem reliably, it's become a real pain recently as I've started playing an MMO so it is very evident and annoying when these dropouts occur.
Re: Disconnects/Noise margin problems after dark
15-11-2012 10:47 AM
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This gives a bit more information http://www.kitz.co.uk/adsl/socket.htm
You should only have wires connected to terminals 2 and 5
Re: Disconnects/Noise margin problems after dark
15-11-2012 11:00 AM
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To be absolutely clear where should I be checking the wiring for terminal connections, at the master socket or at the socket I plug the modem into? Forgive me, I am something of a novice...
Re: Disconnects/Noise margin problems after dark
15-11-2012 11:05 AM
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jelv (a.k.a Spoon Whittler) Why I have left Plusnet (warning: long post!) Broadband: Andrews & Arnold Home::1 (FTTC 80/20) Line rental: Pulse 8 Home Line Rental (£14.40/month) Mobile: iD mobile (£4/month) |
Re: Disconnects/Noise margin problems after dark
15-11-2012 4:04 PM
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Re: Disconnects/Noise margin problems after dark
16-11-2012 12:35 AM
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I have TWO sets of wires connected to the master socket, one with 4 cables (blue/white, orange/white, white/orange and white/blue in 2, 3, 4 and 5 respectively as per Kitz) and a second with three cables (yellow, black and blue in 2, 3 and 5 respectively).
Upstairs had wiring as expected with 2, 3 and 5 connected, but I'm currently working OK with the ring wire disconnected up here.
Any ideas?
Re: Disconnects/Noise margin problems after dark
16-11-2012 8:08 AM
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Quote from: Palmski * The modem/router I have is a TP-Link TD-8840T (http://www.tp-link.com/en/products/details/?model=td-8840t)
* It is plugged directly into a telephone socket upstairs in the study - no telephone plugged in so no microfilter
But the plug on the cable should not fit the socket.
Re: Disconnects/Noise margin problems after dark
16-11-2012 8:16 AM
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Re: Disconnects/Noise margin problems after dark
16-11-2012 8:21 AM
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Quote But the plug on the cable should not fit the socket.
A old dial up modem cable will.
Re: Disconnects/Noise margin problems after dark
16-11-2012 8:35 AM
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Quote from: nitram A old dial up modem cable will.
An old dial-up modem cable was never rated to go faster than 0.056Mbps. I don't believe it is correct to assume that any old cable you find is fit for purpose just because it fits the sockets.
Re: Disconnects/Noise margin problems after dark
16-11-2012 9:27 AM
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The same cable also worked fine in our old property, I'm pretty confident it's not the problem.
Re: Disconnects/Noise margin problems after dark
16-11-2012 9:40 AM
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It's probably not the problem, but you should try a standard filter & cable to see if it makes a difference.
jelv (a.k.a Spoon Whittler) Why I have left Plusnet (warning: long post!) Broadband: Andrews & Arnold Home::1 (FTTC 80/20) Line rental: Pulse 8 Home Line Rental (£14.40/month) Mobile: iD mobile (£4/month) |
Re: Disconnects/Noise margin problems after dark
16-11-2012 10:03 AM
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I'm more concerned about the state of the wiring of the master socket after my investigations last night, can anyone comment on that?
Quote I have TWO sets of wires connected to the master socket, one with 4 cables (blue/white, orange/white, white/orange and white/blue in 2, 3, 4 and 5 respectively as per Kitz) and a second with three cables (yellow, black and blue in 2, 3 and 5 respectively).
To reiterate I started unplugging so that I only had the two blue and white ones connected but in doing that I lost internet connectivity entirely, so I'm more than slightly nervous about doing anything further without some advice from someone who knows better than I what is going on.
My guess is that the second 3 cable bundle is the one coming in from BT and it's wired directly to the terminals on the master socket which would explain why the test socket doesn't work? So if that is correct I do need those 3 to stay connected and I can disconnect the two orange/white cables from the 4 cable bundle. I would just like some confirmation before going ahead and potentially completely borking my internet connection!
Just FYI here's the graph for yesterday evening - you can see where I started removing cables from the master socket, but before that it shows a reasonably typical example of an evening's connection.
Re: Disconnects/Noise margin problems after dark
16-11-2012 10:06 AM
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jelv (a.k.a Spoon Whittler) Why I have left Plusnet (warning: long post!) Broadband: Andrews & Arnold Home::1 (FTTC 80/20) Line rental: Pulse 8 Home Line Rental (£14.40/month) Mobile: iD mobile (£4/month) |
Re: Disconnects/Noise margin problems after dark
16-11-2012 10:27 AM
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Bundle 1 has 3 cables: yellow, black and blue cables.
Bundle 2 has 4 cables: blue/white, orange/white, white/orange, white/blue.
The terminals are wired as follows:
Terminal 2: yellow cable from Bundle 1 AND blue/white cable from Bundle 2
Terminal 3: black cable from Bundle 1 AND orange/white cable from Bundle 2
Terminal 4: white/orange cable from Bundle 2
Terminal 5: blue cable from Bundle 1 AND white/blue cable from Bundle 2
There are no other connections to anything else in the socket that I can see. It looks roughly like the image here http://www.thinkbroadband.com/images/faq/faceplates/IMG_1346-crop.jpg except as mentioned there are two bundles of wires coming in and the connections are as described above.
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