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Author Topic: Weird Infinity Issue - possible HR fault?  (Read 31247 times)

samwise78

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Re: Weird Infinity Issue - possible HR fault?
« Reply #60 on: July 20, 2015, 08:44:31 PM »

Thanks all..

I can't complain about the engineer today at all, he did everything he could do and so far, so good.  :fingers:

No DLM reset completed, but we'll see how things pan out once I deploy the HG612, thanks BE for the tip on monitoring.

Will update this thread again if there's any deterioration and once I've livened up the OR modem

Cheers
Samwise
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samwise78

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Re: Weird Infinity Issue - possible HR fault?
« Reply #61 on: July 24, 2015, 08:21:08 PM »

Just to update the thread - have finally got the HG612 up and running..
Registered on MDWS as samwise78 and as far as I know have been uploading data.  :graduate:
Looks like I've had G.INP enabled, couldn't say when to be honest, line has been fine since OR attended the other day.
I've finally hit a 70Mb sync despite the several OR guys telling me I'd be lucky to get above 40, let's hope it lasts.  :fingers:

Can anyone take a look at my stats and advise how things are looking?

Cheers
Samwise
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samwise78

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Re: Weird Infinity Issue - possible HR fault?
« Reply #62 on: July 31, 2015, 01:53:27 AM »

Just a quick update on this one, since my lift & shift was completed and the subsequent HR fault cleared AND deploying the HG612 in front of the HH5, my connection seems spot on.

Apart from a 19999 US sync that I don't appear to be able to get rid of in favour of the 20000 my OCD "demands" I think things are looking awesome so far.

Can anyone take a look at my stats on MDWS and offer any thoughts?
(Had a little break in uploading this week but should be back to normal now)

Cheers
Samwise
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GigabitEthernet

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Re: Weird Infinity Issue - possible HR fault?
« Reply #63 on: July 31, 2015, 10:03:52 AM »

Your Hlog seems to suggest that you have a bridged tap.
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burakkucat

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Re: Weird Infinity Issue - possible HR fault?
« Reply #64 on: July 31, 2015, 02:57:27 PM »

Agreeing with Alec:)  There is something "not right" being displayed in the Hlog plot.  :-\

It appears to be quite close to the transition from an US band to an DS band, with a minima somewhere in the region of tone 2600 - 2700.
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Bald_Eagle1

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Re: Weird Infinity Issue - possible HR fault?
« Reply #65 on: July 31, 2015, 05:31:22 PM »

Agreeing with Alec:)  There is something "not right" being displayed in the Hlog plot.  :-\


Me too :-\
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samwise78

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Re: Weird Infinity Issue - possible HR fault?
« Reply #66 on: August 01, 2015, 03:05:03 AM »

Thanks for the insights, sorry for the delayed reply, night shifts taking their toll!

What should I do about it though, as I'm not seeing any (obvious) performance issues?

Cheers
Samwise
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burakkucat

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Re: Weird Infinity Issue - possible HR fault?
« Reply #67 on: August 01, 2015, 04:33:43 PM »

All you can do is to follow the cabling from the point where it reaches your property all the way to the NTE5/A. Look with a critical eye and ensure that there are no "abandoned" sockets / lengths of cable connected. If there is anything suspicious or something you do not understand, take a photograph and make the image accessible so that we can view it.
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samwise78

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Re: Weird Infinity Issue - possible HR fault?
« Reply #68 on: August 01, 2015, 05:24:51 PM »

Thanks burakkucat..

Well, there aren't any lengths of cable actually connected but during the life of the multiple faults I had, OR fitted a new cable with sausage and SSFP..
The original cable and extension despite being disconnected are still present.. See pics they should help explain what I mean (hopefully)
New cable is black..

Cheers
Samwise



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burakkucat

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Re: Weird Infinity Issue - possible HR fault?
« Reply #69 on: August 01, 2015, 05:39:30 PM »

Looking at those two images I can't see anything untoward. (It looks as if there is a redundant BT16 fitted to the fascia board just to the right of the bracket.)

Does the bottom end of that new cable go directly into the NTE5/A? Do you have any internal wiring connected to the NTE5/A; wiring that feeds extension sockets?
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samwise78

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Re: Weird Infinity Issue - possible HR fault?
« Reply #70 on: August 01, 2015, 06:18:23 PM »

It does go direct to the Openreach SSFP the guy fitted the same day..
No internal wiring or extensions whatsoever now, there was when we moved in but I disconnected them on day one
Previous owners ran multiple extensions from the old master, but these definitely aren't connected to the new one..

Cheers
Samwise
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Bald_Eagle1

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Re: Weird Infinity Issue - possible HR fault?
« Reply #71 on: August 01, 2015, 06:26:07 PM »

Your Hlog seems to suggest that you have a bridged tap.


See the attached MDWS graphs.

Although the U2 band is not now visible in your own stats, probably due to poorer SNR than samwise78, the visible elements do appear slightly similar (in shape).

Could your own connection possibly have a slight HR/bridged tap somewhere?
It has been mentioned previously that your U2 Hlog graphs didn't look quite right, especially when some of the U2 data was visible.

It may be better to further discuss your own connection in the AlecR's woes thread though, rather than divert attention from samwise's thread.


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burakkucat

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Re: Weird Infinity Issue - possible HR fault?
« Reply #72 on: August 01, 2015, 07:40:03 PM »

Oh yes. There does appear to be a degree of similarity between the two separate Hlog graphs.

I would guesstimate that the minimum is between tones 2850 - 2900, for Alec's circuit.
« Last Edit: August 01, 2015, 07:42:30 PM by burakkucat »
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samwise78

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Re: Weird Infinity Issue - possible HR fault?
« Reply #73 on: August 01, 2015, 10:15:35 PM »


Ok, so based on what we know how would I go about getting this resolved?

What other symptoms would I be able to spot or use to get a fault logged - given that the sync speed is well within tolerances?

Even then, if I get as far as an engineer visit, I'd have to show him the Hlog and hope he's bothered enough to sort it out.

What would be required in terms of resolving a bridged tap?

Cheers
Samwise
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GigabitEthernet

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Re: Weird Infinity Issue - possible HR fault?
« Reply #74 on: August 01, 2015, 10:45:41 PM »

I suggest you pick up the phone, dial 17070 and run the Quiet Line Test. If you hear any crackling, it will be an HR fault.
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