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Author Topic: 12 days after 80/20 install - help please - possible line fault  (Read 53921 times)

snadge

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Re: 12 days after 80/20 install - help please - possible line fault
« Reply #60 on: May 26, 2012, 10:41:33 AM »

hmmm, I had a SSFP fitted with my new line, I think I will revert back to my NTE-2000 FFP (which is made by asme company 'Pressac'  and uses same filters, I think anyway)

but since it was installed I have had sync problem relating to bad rain making it better??

glad I read this BE, thanks for pointing me to the thread, I will remove mine and see if it makes any difference to at least the evening increase in noise (doubt it but who knows) the SSFP certainly isnt the cause of my problem...but I have had some funny things happen since it was installed

sky have posted me out another filter ...lol...

what is the BEST filter one can get?

possibly try the router directly into the test socket too... the modem has a High Pass filter built in so removes everything 4kHz and below, i have heard of some people doing this who dont use phones...may be worth testing it
« Last Edit: May 26, 2012, 10:47:19 AM by snadge »
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burakkucat

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Re: 12 days after 80/20 install - help please - possible line fault
« Reply #61 on: May 26, 2012, 07:26:42 PM »

Snadge,

Thank you for your explanation of the ISAM / MSAN.

Quote
possibly try the router directly into the test socket too... the modem has a High Pass filter built in so removes everything 4kHz and below, i have heard of some people doing this who dont use phones...may be worth testing it

I would agree with you. That is the "cleanest" experiment possible. It will be interesting to know the result.

Quote
what is the BEST filter one can get?

I always recommend the Pressac manufactured device, as illustrated on the Clarity site. I have had one fitted for a number of years and have never had any problem with it.
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Blackeagle

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Re: 12 days after 80/20 install - help please - possible line fault
« Reply #62 on: May 26, 2012, 08:25:07 PM »

what is the BEST filter one can get?

I never had any problems with my adslnation XTE-2005 front plate.  In fact, I've still got it.  If you PM me your address Snadge, I will post it to you  ;D
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Bald_Eagle1

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Re: 12 days after 80/20 install - help please - possible line fault
« Reply #63 on: May 26, 2012, 09:33:53 PM »

Update to my own issues here:-

http://forum.kitz.co.uk/index.php/topic,9726.msg217596.html#msg217596

@eliw, thanks again for reporting your experiment with faceplate removal/dangly filters etc.

You can now have your somewhat hijacked thread back again  ;D
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eliw

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Re: 12 days after 80/20 install - help please - possible line fault
« Reply #64 on: May 27, 2012, 12:12:10 AM »

BE you are welcome mate.

I have tried all sorts of combinations of filters but none helped. When I get a phone call or make one the connections drops, I even tried an ADSL nation faceplate which I have used for years with ADSL2+ and it made no difference .. simple ... nothing I can do on my side. It is a BT issue that has only cropped up since the last engineer visit.

In fact they agree and were supposed to send a guy today (specialist engineer they call him... wonder what that makes the other ones), but I was at a BBQ enjoying the sunshine and the bevvies... so they re-arranged it for tomorrow morning. Seems like they are very responsive to us on a business line but then again I pay £60 a month for a simple FTTC connection (albeit with a 16 IPs allocation).

My connection has been up for nearly 14 Hours now and despite a half a Db drop in SNRM (it is at 5.7 now) it will gradually get back to 6.2 or thereabout by midday tomorrow, this of course if I don't receive any phone calls or make ones myself. Error count at the moment is near 200 which compared to other days is very minute indeed.

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burakkucat

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Re: 12 days after 80/20 install - help please - possible line fault
« Reply #65 on: May 27, 2012, 01:17:47 AM »

Quote
In fact they agree and were supposed to send a guy today (specialist engineer they call him... wonder what that makes the other ones), but I was at a BBQ enjoying the sunshine and the bevvies... so they re-arranged it for tomorrow morning. Seems like they are very responsive to us on a business line but then again I pay £60 a month for a simple FTTC connection (albeit with a 16 IPs allocation).

That is the advantage of being a business rather than a domestic user. As to the engineer who will be calling, the THC exchange is not in Black Sheep's area (Lancashire and Cumbria) -- so it won't be him, unfortunately. If you have the services of a BS clone, then things should go well.
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Black Sheep

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Re: 12 days after 80/20 install - help please - possible line fault
« Reply #66 on: May 27, 2012, 04:26:37 PM »

Bless you B*Cat. :-[

There are lots of great engineers out there, just a lot of crap ones as well. The latter tend to get rewarded for great productivity ???? Damned madness !!
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snadge

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Re: 12 days after 80/20 install - help please - possible line fault
« Reply #67 on: May 27, 2012, 05:03:51 PM »

@ BlackEagle - thanks for the offer of the XTE-2005 , but I have a decent FFP that Black Sheep sent me many moons ago, it gave me increased speed (300k) just from the filter (no internal wires) - I wonder who makes te filter in those?

@ eliw - I may be wrong , but the "specialist" Engineer might be a Broadband Engineer? - infact sky have just been on blower to me today to tell me they would like to try another BTo Broadband Engineer before sending out a Sky Network Engineer with a BT Broadband Engineer...because the last one did not do the broadband diagnostics (as he had to repair phone line then left) and he said a lot of the time when they send out a Sky Network Engineer it turns out to be something on BT's loop and sky have to charge BT for the call out and work... he said if this happens with me then BTo may refuse to pay on the grounds they werent given a chance to fix it...even if the first Broadband Engineer left without diagnosing he says BTo will just say that sky should have said so and BTo would have sent another one out...so fair do's...  anyway, best of luck tomozza
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burakkucat

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Re: 12 days after 80/20 install - help please - possible line fault
« Reply #68 on: May 28, 2012, 12:58:12 AM »

Quote
I have a decent FFP that Black Sheep sent me many moons ago, it gave me increased speed (300k) just from the filter (no internal wires) - I wonder who makes te filter in those?

If it is marked with Openreach's name, then it will have undoubtedly been manufactured by Pressac. [1]

[1] http://www.slowinternet.co.uk/products/bt-premium-centralised-filter
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eliw

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Re: 12 days after 80/20 install - help please - possible line fault
« Reply #69 on: May 28, 2012, 03:20:58 PM »

Well engineer came on Sunday - he did a TDR without me asking him ... used two types of machines one with knobs (which he called old school) and an exfo - both showed a huge spike at around 65m .. He went out to fix then returned saying that instead of fixing it he gave us a new line ??

Phone now does not interrupt internet - and I am connected at highest sync since fttc install 54DS 10US - and in 30 hours of connection he are the error counts in --stats .. please tell me what you think:

Code: [Select]
# xdslcmd info --stats
/bin/sh: xdslcmd: not found
# xdslcmd info --stats
xdslcmd: ADSL driver and PHY status
Status: Showtime
Retrain Reason: 2
Max:    Upstream rate = 10023 Kbps, Downstream rate = 54996 Kbps
Path:   0, Upstream rate = 10000 Kbps, Downstream rate = 54481 Kbps

Link Power State:       L0
Mode:                   VDSL2 Annex B
VDSL2 Profile:          Profile 17a
TPS-TC:                 PTM Mode
Trellis:                U:ON /D:ON
Line Status:            No Defect
Training Status:        Showtime
                Down            Up
SNR (dB):        6.3             6.2
Attn(dB):        0.0             0.0
Pwr(dBm):        12.3            4.6
                        VDSL2 framing
                        Path 0
B:              239             237
M:              1               1
T:              64              43
R:              0               16
S:              0.1402          0.7562
L:              13695           2687
D:              1               1
I:              240             127
N:              240             254
                        Counters
                        Path 0
OHF:            14597088                1980086
OHFErr:         2611            37
RS:             0               2067398
RSCorr:         0               140
RSUnCorr:       0               0

                        Path 0
HEC:            3500            0
OCD:            0               0
LCD:            0               0
Total Cells:    3442055853              0
Data Cells:     25220232                0
Drop Cells:     0
Bit Errors:     0               0

ES:             399             28
SES:            22              0
UAS:            31              31
AS:             32874
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eliw

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Re: 12 days after 80/20 install - help please - possible line fault
« Reply #70 on: May 28, 2012, 07:25:58 PM »

Seems like I still have another problem now .. SNRM starts to drop from around 6pm ... about 0.2/0.3 every hour... so by the morning it will resync if nothing is done.

Any clues ?
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Blackeagle

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Re: 12 days after 80/20 install - help please - possible line fault
« Reply #71 on: May 28, 2012, 08:05:34 PM »

I wouldn't worry about it too much just yet, the chances are that it won't re-sync.  I've attached a graph of my SNR covering a 24hr period clearly showing my SNR dropping to almost 4dB.  Current DSL uptime though is over 150 hrs  ;)
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eliw

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Re: 12 days after 80/20 install - help please - possible line fault
« Reply #72 on: May 28, 2012, 09:09:31 PM »

Ok - will not reboot and see how low it gets overnight.
It has already reached 5.3 (funny thing the US just like yours in your graph does not seem to be affected).

I'm just worried about DLM.. do they monitor SNR as well ?
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eliw

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Re: 12 days after 80/20 install - help please - possible line fault
« Reply #73 on: May 29, 2012, 07:36:50 PM »

Seems like my SNR does not recover after that night's drop ... was stuck all day at 5.1 today .. so rebooted the bloody router - back to 6.4 now
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snadge

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Re: 12 days after 80/20 install - help please - possible line fault
« Reply #74 on: May 29, 2012, 08:11:04 PM »

Seems like my SNR does not recover after that night's drop ... was stuck all day at 5.1 today .. so rebooted the bloody router - back to 6.4 now

did it affect your sync rate at all?  if not I wouldnt be too concerned about it, its normal (well, it is on ADSL) to get small noise increase during evening when more electronic devices are turned on and street lights come on etc.  as long as its all working just fine, no major error problems and no drop in sync rate... :)
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