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Standard User SmallLight
(newbie) Fri 09-Mar-12 09:31:03
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Faulty electronics between Test and Master BT socket?


[link to this post]
 
Our internet speed often drops to 1/10th of what it is during the day. I can plug into the BT Master, and get the same results. However, if I plug into the BT Test socket, my speed is normal again. The results are the same regardless of whether any extensions are connected or not. Yes, I've switched ADSL filters and routers and RJ-11 cables and pretty much everything else, including testing in Windows Safe Mode. In BT's speed tests, I even got a downstream connection speed of 0 once! Typical night speed from Master socket is 330 Kbps (but variable). Typical day speed without any other changes is 3300 Kbps.

Thoughts?

ISP: Zen Internet
OS: Windows XP SP3
Router: Currently Belkin N Wireless; also with Netgear DG834G (v3)
Connected to the Test socket:
Attenuation (down/up): 65/29
SNR (down/up): 7/7
Datarate (down/up): 3668 / 792 Kbps
Standard User RobertoS
(sensei) Fri 09-Mar-12 09:41:41
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Re: Faulty electronics between Test and Master BT socket?


[re: SmallLight] [link to this post]
 
We need to see the stats from the normal socket when it's bad, then from the test socket straight after, then from the normal again straight after that.

Sky box not filtered?

My broadband basic info/help site - www.robertos.me.uk
My domains,website and mail hosting - Tsohost. Internet connection - Plusnet Value Fibre.

"Where talent is a dwarf, self-esteem is a giant." - Jean-Antoine Petit-Senn.
Standard User Going_Digital
(knowledge is power) Fri 09-Mar-12 10:22:44
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Re: Faulty electronics between Test and Master BT socket?


[re: SmallLight] [link to this post]
 
It is possible the contacts on the faceplate are bad, easiest thing might be to get a filtered faceplate to replace the current one.

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Standard User RobertoS
(sensei) Fri 09-Mar-12 11:57:32
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Re: Faulty electronics between Test and Master BT socket?


[re: Going_Digital] [link to this post]
 
How would that account for it being OK during the day?

My broadband basic info/help site - www.robertos.me.uk
My domains,website and mail hosting - Tsohost. Internet connection - Plusnet Value Fibre.

"Where talent is a dwarf, self-esteem is a giant." - Jean-Antoine Petit-Senn.
Standard User Going_Digital
(knowledge is power) Fri 09-Mar-12 12:27:28
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Re: Faulty electronics between Test and Master BT socket?


[re: RobertoS] [link to this post]
 
Perhaps I read it wrong but it looked to me like everything is OK without the faceplate but the problem is only present with the faceplate fitted, with or without extensions.

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Standard User RobertoS
(sensei) Fri 09-Mar-12 13:07:20
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Re: Faulty electronics between Test and Master BT socket?


[re: Going_Digital] [link to this post]
 
smile
Definitely night-time only. But still OK in the test socket. Which to me suggests something affecting the ring wire, or an unfiltered/dead filter night-use device.

[cue] tongue. Therefore your solution would probably work. [/cue] smile

My broadband basic info/help site - www.robertos.me.uk
My domains,website and mail hosting - Tsohost. Internet connection - Plusnet Value Fibre.

"Where talent is a dwarf, self-esteem is a giant." - Jean-Antoine Petit-Senn.
Standard User Zarjaz
(knowledge is power) Fri 09-Mar-12 19:47:38
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Re: Faulty electronics between Test and Master BT socket?


[re: RobertoS] [link to this post]
 
If that 65db downstream attenuation is correct Bob, then an unfiltered Sky box is going to give you a serious case of no sync.

Standard User SmallLight
(newbie) Sat 10-Mar-12 04:13:23
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Re: Faulty electronics between Test and Master BT socket?


[re: RobertoS] [link to this post]
 
In reply to a post by RobertoS:
We need to see the stats from the normal socket when it's bad, then from the test socket straight after, then from the normal again straight after that.

Sky box not filtered?


I'll try to get those stats to you, but probably won't be this weekend. Couldn't sleep so I'm up now, but of course it won't misbehave when I want it to!

No, we have no Sky box. The layout is:
[TEST socket -> MASTER socket] -> extension -> DSL filter
->> Belkin router (ADSL side of filter)
->> telephone (phone side of filter)

The problem occurs equally without the extension and without the telephone connected to the filter.
Standard User SmallLight
(newbie) Sat 10-Mar-12 04:16:43
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Re: Faulty electronics between Test and Master BT socket?


[re: Going_Digital] [link to this post]
 
In reply to a post by Going_Digital:
Perhaps I read it wrong but it looked to me like everything is OK without the faceplate but the problem is only present with the faceplate fitted, with or without extensions.


True, but it's always OK during the day even with the faceplate fitted, and acts up intermittently at night.
Standard User RobertoS
(sensei) Sat 10-Mar-12 10:01:18
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Re: Faulty electronics between Test and Master BT socket?


[re: SmallLight] [link to this post]
 
Is the router near to something like a TV or other electronics? I gather you are getting actual disconnections and low reconnection speeds, not just throughput.

Does the line come in from a pole outside, or underground? If from a pole, does it go near a street light? Or any security lighting?

My broadband basic info/help site - www.robertos.me.uk
My domains,website and mail hosting - Tsohost. Internet connection - Plusnet Value Fibre.

"Where talent is a dwarf, self-esteem is a giant." - Jean-Antoine Petit-Senn.

Edited by RobertoS (Sat 10-Mar-12 10:01:57)

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