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coco777
Beginner
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Message 21 of 28

Re: Who is responsible for fault in underground cable between Green box and my home ?

It's not only the low speeds that's infuriating, it's the constant dropping of my broadband connection, when it drops it can be on - off - on -off for long periods, it's so frustrating, if it was just about the low speeds I would'nt even be here complaining. 

 

 

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umpire
Distinguished Guru
477 Views
Message 22 of 28

Re: Who is responsible for fault in underground cable between Green box and my home ?

The low speed could well be a result of the numerous drops and re-connections. The DLM doesn't like instability or unreliability (error counts) and may force a lower speed in an attempt to improve things.

As you are using a HH5-A you do have the option of installing the free RouterStatsHub software on a PC and running it in the background to collect stats and then allow you to view them over time in the form of charts. That might help to build up a clearer picture of events. In particular it's worth checking if the SNR margins (noise margins) stay pretty constant between re-connections or vary greatly. You would expect some daily variation but nothing too drastic. The safety margins are put in place to maintain a fixed connection speed whilst allowing for these normal variations in noise.
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umpire
Distinguished Guru
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Message 23 of 28

Re: Who is responsible for fault in underground cable between Green box and my home ?

Another thing to look out for is patterns linked to weather. For example does it start dropping the connection after rain? Water getting into underground ducts/cabling/joints is generally not a good thing! 🙂

Any clues like that might be helpful info for an engineer if you get a visit arranged.
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Message 24 of 28

Re: Who is responsible for fault in underground cable between Green box and my home ?

By the way when i ordered infinity the range was up to 40 and minimum 31. When i upgraded it was 42-58 and minimum 35
It is onvious something was changed on the backend to have such improvement!
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umpire
Distinguished Guru
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Message 25 of 28

Re: Who is responsible for fault in underground cable between Green box and my home ?

According to the help page the guaranteed minimum isn't just a reflection of your particular line capability. It's a figure based on many lines in a similar physical situation (distance, attenuation) and on the same service. So I suppose if you have changed from the 40/10 to the 55/10 service then the guaranteed figure could be different.


Note: Wasn't the up to 40 just details on the order for the 40/10 service? You gave a higher than that FTTC A range in other earlier threads so it's just limited by the 40 cap. Your upgrade to 55/10 should have said up to 55 based on your range.
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umpire
Distinguished Guru
433 Views
Message 26 of 28

Re: Who is responsible for fault in underground cable between Green box and my home ?

If a customer has a FTTC A range of 42 - 58 then I would expect ....

A 40/10 order to give an estimate of 40 - 40 (probably worded as just 40).

A 55/10 order to give an estimate of 42 - 55.

A 80/20 order to give an estimate of 42 - 58.

The guaranteed minimum could be different for each different service based on other customers on that service.
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umpire
Distinguished Guru
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Message 27 of 28

Re: Who is responsible for fault in underground cable between Green box and my home ?

I would agree that in general if on 40/10 the bottom 10% in a similar situation got max 31, then if you moved all those customers to 55/10 you would still expect those bottom 10% to be getting a max of 31.

Possibly the guaranteed figure they gave you for 55/10 would reduce as a bigger sample are moved onto it? Who knows exactly how they calculate it.
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umpire
Distinguished Guru
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Message 28 of 28

Re: Who is responsible for fault in underground cable between Green box and my home ?

According to the BT Consumer web site a while back my estimate was 79 - 80 with a guaranteed figure of 74.

I've never been on Infinity 2 to test those claims, but doubt I would complain if I only got 73. 🙂
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