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Standard User 4M2
(knowledge is power) Thu 01-Dec-16 14:27:12
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Re: DLM / SN margin problem


[re: deleted] [link to this post]
 
In reply to a post by EloiseJane:
4M2 - I had been wondering if this was TalkTalk's own DLM or if it had been acquired from elsewhere. Was told yesterday it is their own.


Thank you for raising this issue on this forum - if TalkTalk are changing their kit at LLU'd exchanges then the very steady downstream 6dB SNR margin that I enjoy could be messed up. On one occasion after a resync during day light hours I did connect with a 3dB margin, for some unknown reason, and the sync speed increased but the line appeared to become unstable.

I don't have full LLU, only partial LLU on a TalKTalk enabled exchange and the issue that you have raised could be significant in terms of the line's stability.
Standard User deleted
(deleted) Thu 01-Dec-16 15:00:19
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Re: DLM / SN margin problem


[re: ukhardy07] [link to this post]
 
UKhardy07 - I see, those are very good points you make......DLM is not without potential problems.

Yes, the internal set up needs to be looked at too.

One of the first things TalkTalk did when I kept losing my internet connection was test the line, send me a new ethernet cable plus several new routers - they were very good to me. They also arranged for changes to be made at the exchange. BT gave me a new master socket, removed the star wiring and extension I had (which I miss)......I had many BT engineer visits! It later transpired to be a fault with the outside cabling to the exchange, which should have been changed much earlier I was told.

4M2 - Sorry, I know nothing about LLU, need to look it up. Perhaps you should raise a concern directly with TalkTalk, get them to look at your line?
Standard User 4M2
(knowledge is power) Thu 01-Dec-16 15:53:11
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Re: DLM / SN margin problem


[re: deleted] [link to this post]
 
In reply to a post by EloiseJane:
Perhaps you should raise a concern directly with TalkTalk, get them to look at your line?


Fortunately that is not necessary since my broadband account is not with TalkTalk but with an ISP named xilo who provide a TalkTalk Business broadband only service (partial LLU - SMPF) using TalkTalk kit at the exchange smile

Anyway thanks for mentioning any potential issues, if there is a change to my router reported "Remote Vendor ID BDCM" (Broadcom) and as a result there are problems with stability I will contact xilo.

Edited by 4M2 (Thu 01-Dec-16 16:32:55)


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Standard User deleted
(deleted) Thu 01-Dec-16 18:27:04
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Re: DLM / SN margin problem


[re: 4M2] [link to this post]
 
Oh I see 4M2. smile

I hope you don't get any problems with your broadband connection.
Standard User 4M2
(knowledge is power) Thu 01-Dec-16 18:36:20
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Re: DLM / SN margin problem


[re: deleted] [link to this post]
 
In reply to a post by EloiseJane:
Oh I see 4M2. smile

I hope you don't get any problems with your broadband connection.


Well my preference would be for FTTP but until that happens (if ever) then I have to put my faith in old buried copper wires smile
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