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Geoff93
Recognised Expert
439 Views
Message 11 of 14

Re: How are Infinity and similar cable broadbands supplied?

To see how noisy your line is could you post the stats from your router

192.168.1.254
Navigate to ADSL Settings or use the A-Z at the top right
Click on More Details and then post the results.

And post the results from http://speedtester.bt.com/

Usually before they replace the cable they will change the twisted pair within the cable. There are usually 2 or 3 pairs in the cable running into your home.
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A_mars_reject
Aspiring Contributor
435 Views
Message 12 of 14

Re: How are Infinity and similar cable broadbands supplied?

I can't access those immediately (currently at work), but here is a previous and fairly typical hub readout:

 

Line state Connected
Connection time 0 days, 0:22:48
Downstream 2,240 Kbps
Upstream 448 Kbps


ADSL settings
VPI/VCI 0/38
Type PPPoA
Modulation ITU-T G.992.1
Latency type Interleaved
Noise margin (Down/Up) 15.0 dB / 15.0 dB
Line attenuation (Down/Up) 54.0 dB / 31.5 dB
Output power (Down/Up) 16.9 dBm / 12.6 dBm
Loss of Framing (Local) 0
Loss of Signal (Local) 0
Loss of Power (Local) 0
FEC Errors (Down/Up) 34 / 0
CRC Errors (Down/Up) 1 / 2147480000
HEC Errors (Down/Up) nil / 0
Error Seconds (Local) 1

The speed yesterday evening via speedtester was around 63kbps down, 433kbps up.

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A_mars_reject
Aspiring Contributor
434 Views
Message 13 of 14

Re: How are Infinity and similar cable broadbands supplied?

I can't access those immediately (currently at work), but here is a previous and fairly typical hub readout:

 

Line state Connected
Connection time 0 days, 0:22:48
Downstream 2,240 Kbps
Upstream 448 Kbps


ADSL settings
VPI/VCI 0/38
Type PPPoA
Modulation ITU-T G.992.1
Latency type Interleaved
Noise margin (Down/Up) 15.0 dB / 15.0 dB
Line attenuation (Down/Up) 54.0 dB / 31.5 dB
Output power (Down/Up) 16.9 dBm / 12.6 dBm
Loss of Framing (Local) 0
Loss of Signal (Local) 0
Loss of Power (Local) 0
FEC Errors (Down/Up) 34 / 0
CRC Errors (Down/Up) 1 / 2147480000
HEC Errors (Down/Up) nil / 0
Error Seconds (Local) 1

 

 

The speed yesterday evening via speedtester was around 63kbps down, 433kbps up.

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Geoff93
Recognised Expert
426 Views
Message 14 of 14

Re: How are Infinity and similar cable broadbands supplied?

Your noise margin is certainly higher than the target of 6 and your line attenuation would suggest a IP profile of 3000 from here - http://www.kitz.co.uk/adsl/max_speed_calc.php

This post has a good section on noise that could affect the line

http://community.bt.com/t5/BB-in-Home/Poor-Broadband-speed/m-p/14217#M8397

If you can hear crackling on the quite noise test then I would try reporting it as a noisy phone line - not a broadband fault. Get rid of the noise and the speed will rise.


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