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Author Topic: FTTC - Distance from the Cabinet - Realistic speed estimate  (Read 253979 times)

Ezzer

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Re: FTTC - Distance from the Cabinet - Realistic speed estimate
« Reply #135 on: August 21, 2011, 02:33:07 PM »

Made intersting reading for me Razpag. the patch I was in was predominately all multiskilled CSE's and the frames guys (and lady) typicaly ex cse's

Broadband was a specialist group when I first started on dsl for 3 patches before we blended back into normal teams and passed as much info on to the other cse's as they wanted to soak up.

Heard a bit about the greater demarcation in other areas. But the great thing about being a cse was you get a task, so just get it working.

I could never just stick to frames, getting about 3-4 frames tasks was enough for me in one go. it would drive me mad doing nothing but.
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burakkucat

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Re: FTTC - Distance from the Cabinet - Realistic speed estimate
« Reply #136 on: August 21, 2011, 02:50:47 PM »

All felines are inquisitive, so having read RP's detailed description, I wonder:

1) "ring the PSTN number with the TDR meter still attatched and continue looking for HR" -- Call the EU's number from your mobile phone?

2) "disconnect the D-side and perform a 'Leg Balance' test. This does as it says on the tin. It measures each leg seperately and will always give an accurate reading no matter how small the 'HR'." -- Would that be to short both legs of the pair, connecting them to earth at one end and then use a suitable device, some form of bridge, perhaps even an 18C at t'other?

 :hmm:
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waltergmw

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Re: FTTC - Distance from the Cabinet - Realistic speed estimate
« Reply #137 on: August 21, 2011, 02:51:07 PM »

@ RP & Ezzer,

VERY WELL DONE

That is the most comprehensive essay I've seen on the different types of BT O engineer and is absolutely invaluable for amateurs.

I know we're probably little more than hobbyists in your eyes ( and some might say B****y nuisances) but with such a rigid over-managed structure it certainly helps us to suggest what an SP might request of BT O.

I hope that we all can recognise the benefit of a) getting the EU's proper services (s)he's paying for restored, b) keeping the Telco's and the ISPs' costs to the minimum and c) helping to familiarise and enhance the capabilities of the lower order BT engineers.

Kindest regards,
Walter
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razpag

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Re: FTTC - Distance from the Cabinet - Realistic speed estimate
« Reply #138 on: August 21, 2011, 02:52:22 PM »

Made intersting reading for me Razpag. the patch I was in was predominately all multiskilled CSE's and the frames guys (and lady) typicaly ex cse's

Broadband was a specialist group when I first started on dsl for 3 patches before we blended back into normal teams and passed as much info on to the other cse's as they wanted to soak up.

Heard a bit about the greater demarcation in other areas. But the great thing about being a cse was you get a task, so just get it working.

I could never just stick to frames, getting about 3-4 frames tasks was enough for me in one go. it would drive me mad doing nothing but.

I believe here in the central UK, we have the biggest speration of skills. Can you remember a certain Mr R. King and SMT/FRS ??, along with all the debate about fairness ?? It was he who informed me of this after continually bombarding him with questions. The rest of the UK are indeed mainly CSE skilled. The problem is the OP lives in Oldham (Cental UK).  ???

Oh how I concur with you regarding Frames work. I would seriously end up being sectioned having to perform those tasks day in and day out !!  ;D
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razpag

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Re: FTTC - Distance from the Cabinet - Realistic speed estimate
« Reply #139 on: August 21, 2011, 02:54:33 PM »

All felines are inquisitive, so having read RP's detailed description, I wonder:

1) "ring the PSTN number with the TDR meter still attatched and continue looking for HR" -- Call the EU's number from your mobile phone?

2) "disconnect the D-side and perform a 'Leg Balance' test. This does as it says on the tin. It measures each leg seperately and will always give an accurate reading no matter how small the 'HR'." -- Would that be to short both legs of the pair, connecting them to earth at one end and then use a suitable device, some form of bridge, perhaps even an 18C at t'other?

 :hmm:

Hi Cat

1) Yes

2) There are different ways to perform different tests BC, but on this occasion I mean to test to an 'open' circuit.
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burakkucat

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Re: FTTC - Distance from the Cabinet - Realistic speed estimate
« Reply #140 on: August 21, 2011, 03:01:43 PM »

Quote
2) There are different ways to perform different tests BC, but on this occasion I mean to test to an 'open' circuit.

Ah, thank you. That particular itch has been "well scratched". :)
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razpag

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Re: FTTC - Distance from the Cabinet - Realistic speed estimate
« Reply #141 on: August 21, 2011, 03:02:09 PM »

@ RP & Ezzer,

VERY WELL DONE

That is the most comprehensive essay I've seen on the different types of BT O engineer and is absolutely invaluable for amateurs.

I know we're probably little more than hobbyists in your eyes ( and some might say B****y nuisances) but with such a rigid over-managed structure it certainly helps us to suggest what an SP might request of BT O.

I hope that we all can recognise the benefit of a) getting the EU's proper services (s)he's paying for restored, b) keeping the Telco's and the ISPs' costs to the minimum and c) helping to familiarise and enhance the capabilities of the lower order BT engineers.

Kindest regards,
Walter

Hi Walter

Our new CEO (Liv Garfield) has stated that she has improved the training budget 3-fold. Along with improving the laptops and testing equipment we have. By that, I mean upgrading engineers old kits for new ones, and I do believe we are to get O-Phones ??

The days of listening on with a 'tapper' to fault find are long gone. Up to 4.2Khz circuits for residential premises, are slowly becoming superceeded by higher DSL frequencies whereby faulting can only be truly completed by using meters. That's why the need for up-skilling is paramount for engineers, not just to give ISP's and their EU's a better customer experience (Jeez, I sound like my boss  ;D), but also to give the engineer more job security ....... if there is such a thing nowadays.  ;)
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Ezzer

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Re: FTTC - Distance from the Cabinet - Realistic speed estimate
« Reply #142 on: August 21, 2011, 03:09:20 PM »

Can you remember a certain Mr R. King and SMT/FRS ??,   :o

Do I remember, oh my god and Mr Rod King wasnt it ?

Half a mo'!  :doh: 'Razpag' ? Wern't you on the dg at the time as Razpag ? This is ringing some bells (bell external I think). If so I was Ezzer on the dg at the time too.

If I remember this right you certainly were giving him a barrage of questions on everyones behalf. And his answers.....well..... That takes me back.
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razpag

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Re: FTTC - Distance from the Cabinet - Realistic speed estimate
« Reply #143 on: August 21, 2011, 03:20:04 PM »

He he he ..... that was indeed my goodself pal. Yes, Mr Rod King, I got a personal phone call from him due to the to-ing and fro-ing of heated debate. ;D He's actually a really nice guy and I'm wise enough to understand he was just doing his job. I just wanted to point out the unfairness of the sytem, along with others.

What we have now unfortunately, is FRS/SMT but without the cash incentive !! Damn !! ;D

The old DG was a tough place to be at times. Got plenty of calls from Ajay and T.McDonald (IT Sols Moderators) to be asked to wind it in a bit. Bit like on here sometimes. ;) ;D Joke Eric. ;D
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jeffbb

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Re: FTTC - Distance from the Cabinet - Realistic speed estimate
« Reply #144 on: August 21, 2011, 03:48:42 PM »

Hi
@Baldeagle: Did you have a connection before FTTC?if so do you remember ?know the SYNCH rate ?

Regards Jeff
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Bald_Eagle1

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Re: FTTC - Distance from the Cabinet - Realistic speed estimate
« Reply #145 on: August 21, 2011, 05:23:16 PM »

Hi

Rather than take the questions one at a time, I'll attempt to explain the skill-sets of different engineers and encompass your queries within the post.


@razpag,

Thanks very much for the detailed explanation of who does what & what I should expect/not expect tomorrow.

As my ISP ticket states "PSTN engineer booked to check for HR fault on D-side which may be affecting broadband
speed.", I would like to think this has been communicated with the various parts of BT that organise the relevant engineer(s) for the "fault" in hand.

i.e. Locate the intermittent fault & fix the phone line, then check whether or not this has also fixed the broadband speed issue(s).

I can't realistically pursue the broadband speed issue until the phone line is given a clean bill of health.
If no phone line faults are found, the next stage will be to obtain an explanation & remedy for the broadband speed reductions, although if the fault is intermittent, it may/may not br found tomorrow.
I don't know if the symptoms are the same, but I really do hope this is not a REIN issue.

I also hope I don't have to take even more time off work to pursue this matter.

Thanks agian for all your help & advice.
It really has helped to turn a "no fault found & you are achieving more than the estimated speed so bu@@er off" matter into something that is now actually being taken as a genuine issue, certainly by Plusnet.

P.S. I have been quiet today as it is Mrs. Baldy's birthday & I have also been building her a new kitchen.
I'm sure a nice bunch of flowers would have been a lot easier ;D

Regards,

Paul.
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Bald_Eagle1

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Re: FTTC - Distance from the Cabinet - Realistic speed estimate
« Reply #146 on: August 21, 2011, 05:32:29 PM »

Hi
@Baldeagle: Did you have a connection before FTTC?if so do you remember ?know the SYNCH rate ?

Regards Jeff


If you could call it a connection, yes.

1 Mb on ADSL1. That's all I expected & that's all I got due to the real distance from the exchange.

Please see the attached screenshot from DMT.EXE that I used, almost from day 1.

This was the best download speed that I ever achieved, but look at the upload speed (It wasn't always that low though).

My current upload attenuation appears very high at 52.9 dB.

Paul.

[attachment deleted by admin]
« Last Edit: August 21, 2011, 05:48:18 PM by Bald_Eagle1 »
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jeffbb

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Re: FTTC - Distance from the Cabinet - Realistic speed estimate
« Reply #147 on: August 21, 2011, 06:35:12 PM »

Hi
My current upload attenuation appears very high at 52.9 dB.   ?

Where do you get this data ?

seems odd

Regards Jeff
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razpag

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Re: FTTC - Distance from the Cabinet - Realistic speed estimate
« Reply #148 on: August 21, 2011, 06:40:10 PM »

Is it not that his original US attenuation was lower as the DSL frequencies are smaller on ADSL1 ??
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Bald_Eagle1

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Re: FTTC - Distance from the Cabinet - Realistic speed estimate
« Reply #149 on: August 21, 2011, 06:46:36 PM »

Hi
My current upload attenuation appears very high at 52.9 dB.   ?

Where do you get this data ?

seems odd

Regards Jeff


@jeffbb,
The stats came from the JDSU as used during the most recent engineer's visit. Please see the attached photo.

As the relevant distance is now only to the cabinet & not all the way back to the exchange, should the US & DS line attenuations be roughly the same for FTTC, or does the large difference between the two values simply reinforce our thoughts that there is some sort of high resistance issue on my line?

EDIT:

I notice from asbokid's screenshots where he had managed to access the HG612 modem, that his attenuations were 19 dB DS & only 6 dB upstream - in effect reversed when compared to mine.



Paul.

[attachment deleted by admin]
« Last Edit: August 21, 2011, 07:20:25 PM by Bald_Eagle1 »
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