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Standard User woodmass14
(member) Fri 02-Oct-15 13:00:33
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Internet keeps disconnecting and stays off for a few mins.


[link to this post]
 
Hi again.

More problems with my internet unfortunately, internet just randomly disconnects for some reason, when looking at router stats the noise margin on upstream goes to 0 and then it disconnects, phoned sky up they done there usual checks but couldn't find a problem with a line test. they sent out an engineer but his device was not working correctly to run a full diag.

Router stats below as its about to disconnect.

Connection Speed 9149 kbps 787 kbps
Line Attenuation 44.0 dB 24.8 dB
Noise Margin 5.0 dB 102.102 dB

router stats just after the previous results

Connection Speed 9149 kbps 787 kbps
Line Attenuation 44.0 dB 24.8 dB
Noise Margin 5.0 dB 0.0 dB

And then Disconnects

Connection Speed 0 kbps 0 kbps
Line Attenuation 0 dB 0 dB
Noise Margin 0 dB 0 dB

Anyone got any idea what the problem might be so i can push sky or an engineer in the right direction.

Thanks
Administrator MrSaffron
(staff) Fri 02-Oct-15 13:03:02
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Re: Internet keeps disconnecting and stays off for a few min


[re: woodmass14] [link to this post]
 
Noise in the radio frequency bands that affect ADSL

The author of the above post is a thinkbroadband staff member. It may not constitute an official statement on behalf of thinkbroadband.
Standard User woodmass14
(member) Fri 02-Oct-15 13:13:33
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Re: Internet keeps disconnecting and stays off for a few min


[re: MrSaffron] [link to this post]
 
Ah not quite sure what that means :/ sorry but if it is that problem is there a fix for it?

But if it helps this started happening when my village got fibre. But i did ask that question a couple of months back if fibre would affect me and most said it shouldn't. i just hope that isn't the issue.


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Administrator MrSaffron
(staff) Fri 02-Oct-15 15:32:48
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Re: Internet keeps disconnecting and stays off for a few min


[re: woodmass14] [link to this post]
 
It means if you tune an AM radio to 612 KHz and turn off your ADSL are any devices in the home very noisy on the radio when you get close to them.

Presence of FTTC should not mean disconnects for people with ADSL based services, but you can never say never.

Put basically anything that makes an AM radio go pop or crackle may have an affect on your ADSL.

The author of the above post is a thinkbroadband staff member. It may not constitute an official statement on behalf of thinkbroadband.
Standard User woodmass14
(member) Fri 02-Oct-15 15:56:45
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Re: Internet keeps disconnecting and stays off for a few min


[re: MrSaffron] [link to this post]
 
I'd have to buy myself a radio lol, i'm confused though. Nothing has changed within my house so must be an external issue.i'll still buy a cheap radio to test it out and i'll see of anything comes up.
Standard User woodmass14
(member) Fri 02-Oct-15 16:17:43
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Re: Internet keeps disconnecting and stays off for a few min


[re: MrSaffron] [link to this post]
 
A router couldn't cause this right? i've currently got 2 routers and 1 access point all broadcasting, 2 routers beside each other in the living area and 1 access point heading into the office via ethernet. There channels are set to automatic so i'm not sure how low in frequency the routers go.
Administrator MrSaffron
(staff) Fri 02-Oct-15 16:43:29
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Re: Internet keeps disconnecting and stays off for a few min


[re: woodmass14] [link to this post]
 
Router power supplies are switch mode which can fail into a noisy scenario so might be that.

So not going to be the wireless itself, but radio noise emitting from the power side of the devices if that is a cause.

When you are uploading you are pushing the upstream side of the connection, so errors that might have been tolerated usually result in a resync.

The author of the above post is a thinkbroadband staff member. It may not constitute an official statement on behalf of thinkbroadband.
Standard User woodmass14
(member) Fri 02-Oct-15 16:54:32
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Re: Internet keeps disconnecting and stays off for a few min


[re: MrSaffron] [link to this post]
 
Ah ok, i'll unplug them all and see if the problem persists. i'll obv keep the sky hub plugged in but might get the extension out and isolate the sky hub from the master socket.

And no uploading allowed on my internet connection lol. it cripples it and makes it unusable until the upload finishes so they got to use there mobile data for uploading anything.
Standard User woodmass14
(member) Fri 02-Oct-15 19:20:54
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Re: Internet keeps disconnecting and stays off for a few min


[re: MrSaffron] [link to this post]
 
What do you guys think of this?

I've been recording my stats using "routerstats"

downstream noise
https://drive.google.com/file/d/0B6P4YHfJb6--eWxUTXJ...

Upstream noise
https://drive.google.com/file/d/0B6P4YHfJb6--TXRIUXR...

Upstream noise is going nuts by the looks of it.
Standard User woodmass14
(member) Sat 03-Oct-15 12:17:59
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Re: Internet keeps disconnecting and stays off for a few min


[re: woodmass14] [link to this post]
 
I think iv'e also been moved to adsl (8)

Connection Speed 4085 kbps 174 kbps
Line Attenuation 41.5 dB 24.5 dB
Noise Margin 19.4 dB 8.8 dB

my line attenuation has dropped what makes me think that. Nothing on sky hub though that tells me that.
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