Please help with speed problem....
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Please help with speed problem....
24-07-2008 8:08 PM
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For months my speed was consistently around 2mb but has dropped to under 0.5mb. When I reboot my router it can see 2mb but for some reason the line doesn't appear to reset at the higher speed, despite leaving it for 3 days to allow BT to reset the line.
I've changed the microfilter and cable to the router, have used the master socket etc.
Has anyone got any ideas about what the problem might be and what I might be able to do to fix it?
Thanks and best regards, Simon
Re: Please help with speed problem....
24-07-2008 8:13 PM
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Re: Please help with speed problem....
24-07-2008 8:21 PM
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Test1 comprises of Best Effort Test: -provides background information.
Your DSL connection rate: 960 kbps(DOWN-STREAM), 448 kbps(UP-STREAM)
IP profile for your line is - 500 kbps
Actual IP throughput achieved during the test was - 447 kbps
Up until this test this always showed around 1800 kbps as the down-stream speed, so I'm not sure if this could just be due to the network traffic this evening.
Re: Please help with speed problem....
24-07-2008 8:25 PM
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Re: Please help with speed problem....
24-07-2008 11:07 PM
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ADSL Link Downstream Upstream
Connection Speed 896 kbps 448 kbps
Line Attenuation 58 db 15.5 db
Noise Margin 14 db 15 db
Thanks for your help on this I do really appreciate it.
Re: Please help with speed problem....
25-07-2008 8:16 AM
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Test1 comprises of Best Effort Test: -provides background information.
Your DSL connection rate: 1856 kbps(DOWN-STREAM), 448 kbps(UP-STREAM)
IP profile for your line is - 500 kbps
Actual IP throughput achieved during the test was - 446 kbps
ADSL Link Downstream Upstream
Connection Speed 1856 kbps 448 kbps
Line Attenuation 60 db 15.5 db
Noise Margin 12 db 14 db
Re: Please help with speed problem....
25-07-2008 9:44 AM
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Part of the problem is your distance from the exchange, but normally I'd expect to see higher speeds.
Secondly, now that you are getting a higher sync speed (the ~1800 figure), you need that to remain at that level for 3 days prior to your actual speeds going up. Have a read of this:
link:speed
Re: Please help with speed problem....
25-07-2008 9:48 AM
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PS I note the attenuation changed by 2dB but that's maybe within normal "environmental" changes. My line changes by 2% to 3% or so regularly, though it used to change more (in winter).
Re: Please help with speed problem....
25-07-2008 11:49 AM
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What I've tried is:
Checked the cabling between the BT line and router. I'm wireless so no PC to router cable to worry about.
Rebooted both the router and PC
Replaced the microfilters and unplugged the additional internal phone line and sky box
Connected through the master socket
If I didn't know that for months I'd had a 2mb service without problem I'd assume that it's just not possible for me to have higher than 0.5mb.
Could it be a router problem?
Your advice is greatly appreciated!
Best regards
Simon
Re: Please help with speed problem....
25-07-2008 12:00 PM
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Re: Please help with speed problem....
25-07-2008 12:05 PM
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Your noise margin is quite high (12dB) which is probably part of the problem.
This may be related to a router, wiring or line issue, which may well have now resolved itself. I'd like you to, if possible, to connect your filter to the test socket behind your master socket faceplate and to try a different router if at all possible and see if your sync and SNR figures change at all.
Re: Please help with speed problem....
25-07-2008 1:52 PM
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You need a BT master socket to fit it. its has to have ther BT logo on the box and have a line that goes through the middle it will not fit a new BT openreach logo box
puddy
Re: Please help with speed problem....
25-07-2008 2:28 PM
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Quote from: Jameseh Thanks Simon.
Your noise margin is quite high (12dB) which is probably part of the problem.
Am I missing something here? Is the OP on adslmax? If so ain't the noise margin a function of line speed so if the line speed is increased the noise margin will come down?
Re: Please help with speed problem....
25-07-2008 2:29 PM
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If the noise margin is reduced, the sync speed will go up. Margin controls the sync speed not vice versa.
Re: Please help with speed problem....
25-07-2008 5:54 PM
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With his attenuation it's very unlikely that the OP can improve the noise margin by fiddling with the internal wiring.
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