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Distinguished Sage
Distinguished Sage
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Message 11 of 21

Re: FTTC DLM Reset - Odd Behaviour

Knowing if you are on ECI or Huawei cab will determine if G.INP will be possibly activated in near future giving speed boost



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Big-G
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Message 12 of 21

Re: FTTC DLM Reset - Odd Behaviour

How can you find out if it's ECI or Huawei @imjolly ?

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Distinguished Sage
Distinguished Sage
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Message 13 of 21

Re: FTTC DLM Reset - Odd Behaviour

enter your phone number  https://www.dslchecker.bt.com/adsl/adslchecker.welcome



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Sage
Sage
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Message 14 of 21

Re: FTTC DLM Reset - Odd Behaviour


@Starwire wrote:
A DLM Reset will turn off Vectoring. The DSLAM will switch it back on in a few days.

Vectoring or G.INP?

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Big-G
Aspiring Contributor
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Message 15 of 21

Re: FTTC DLM Reset - Odd Behaviour

Morining

Whilst I'm waiting for the DLM Reset speeds to change, here is the other curious thing I know.

When the Openreach Engineer was here. The test on the line passed. However, there was a problem with the Broadband Circuit Service ID (not entirely sure if that's correct).

I believe the DSLAM was not correctly reporting my circuit ID to BT's servers. He went away to look at the DSLAM for quite a while and then came back and said don't worry about it? - it was a Friday afternoon haha!!

These are the problems it presents:

When an automated fault test is run remotely by BT  it shows a fault with the "BT Retail Servers" (see pic below)

Another problem is when you run a speed test from http://speedtest.btwholesale.com/ and click through to further diagnostics it says:

Your speed test has completed and the results are shown above, however during the test an error occurred while trying to retrieve additional details regarding your service. As a result we are unable to determine if the speed you received during the test is acceptable for your service. Please re-run the test if you require this additional information.

This might be a cosmetic problem, the broadband might still be working fine, but doesn't seem right
The automated test systems cannot obtain the correct information about the line.

The engineer said this was an issue with the DSLAM not with my broadband and had never seen that problem before

Anyone else seen that issue before?

 

IMG_1566.jpg

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Distinguished Sage
Distinguished Sage
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Message 16 of 21

Re: FTTC DLM Reset - Odd Behaviour

that is a common report from btspeedtester - basically btspeedtester didn't work.  it could work the next time you try or try with different browser

did you check the link I posted to see your estimated speed range and exchange and cabinet

 



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Big-G
Aspiring Contributor
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Message 17 of 21

Re: FTTC DLM Reset - Odd Behaviour

Morning @imjolly 

Sorry, I did thank. Its a Hauwei Cabinet and here are the line details:

Featured ProductsDownstream Line Rate(Mbps)Upstream Line Rate(Mbps)Downstream Handback Threshold(Mbps)WBC FTTC Availability DateWBC SOGEA Availability DateLeft in Jumper 
 HighLowHighLow     
VDSL Range A (Clean)8077.4201972.8Available---- 
VDSL Range B (Impacted)8076.1201971Available---- 

 

 

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Distinguished Sage
Distinguished Sage
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Message 18 of 21

Re: FTTC DLM Reset - Odd Behaviour

that's good  so given a stable connection the DLM should activate G.INP in 7/10 days giving a boost to your conenction speed and lower noise margin



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Big-G
Aspiring Contributor
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Message 19 of 21

Re: FTTC DLM Reset - Odd Behaviour

Good Morning

Reporting back as promised, after roughly 1.5 days of uptime ... a re-sync occured last night at midnight.

Re-synced at 79,998kbps and speed has returned to what it was before the copper fault 71Mbps

VDSL LinkDownstreamUpstream
Connection Speed79998 kbps19999 kbps
Line Attenuation7.5 db7.7 db
Noise Margin6.3 db15.3 db


Here is what you might be able to help with, the SNR has gone up!? from 6.0db to 6.3db but speed has increased?

Is this the G.INP turning back on?

Very happy if this stays at 71Mbps wondering if any other changes will happen now or this is it?

IMG_1568.PNG

Happy Easter! Smiley Very Happy

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Distinguished Sage
Distinguished Sage
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Message 20 of 21

Re: FTTC DLM Reset - Odd Behaviour

a minor fluctuation in noise margin is normal and could just as easily go back down again the next day  as long as connection stable at max speed then no problems



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