Kitz Forum
Broadband Related => ADSL Issues => Topic started by: noddy on February 13, 2017, 07:24:52 PM
-
I've been monitoring my line for a good while :-[ trying to make sense of the differing SNR , first I thought it was wet weather causing problems - but no that was knocked on the head after a long wet spell and no problems so being the sad person I am I also kept a log of weather and discovered it's WIND that causes the fluctuation :no: . I realise there's not much to be done about that but wondered how it does it all our lines are underground ? from a very rural exchange . First stats slightly breezy - second calm day
-
Just throwing some ideas our there, any wind generators near by, or perhaps a pole that's moving in the wind and moving cables?
-
Just throwing some ideas our there, any wind generators near by, or perhaps a pole that's moving in the wind and moving cables?
got to admit the windmill idea did cross my mind we have a good few up here , do you mean an electric pole ? as we do have those but no telephone poles
-
Can you put the 'Error' graphs up for those please.
-
Can you put the 'Error' graphs up for those please.
I've never found out how to get error's from the Billion 7800n :-[ couldn't get full routerstats to work only routerstats lite
-
Try DSLstats (http://www.s446074245.websitehome.co.uk) - works fine with the 7800N.
-
great stuff don't what I did wrong last time but got dslstats working :) I'll see what I get
-
got to admit the windmill idea did cross my mind we have a good few up here , do you mean an electric pole ? as we do have those but no telephone poles
I did mean a telegraph pole, but an electric pole, or even a tree if it's close enough to the cables could potentially move them.
-
I did mean a telegraph pole, but an electric pole, or even a tree if it's close enough to the cables could potentially move them.
He thinks he has a UG feed from the exchange :hmm: .
-
I did mean a telegraph pole, but an electric pole, or even a tree if it's close enough to the cables could potentially move them.
that's right no telegraph poles , no trees ;) ( they don't survive here ) it's an EO line attenuation 57
-
The wind can't affect your circuit then. :)
-
that's right no telegraph poles , no trees ;) ( they don't survive here ) it's an EO line attenuation 57
How do you know that it is all UG have BTOR said so.
-
How do you know that it is all UG have BTOR said so.
an engineer did say but even with out that I have the sea to the west , and at least 6-7 miles of open fields in all other directions which include the exchange and the only thing above ground excluding the odd house and byre are electric poles
-
here's some stats for a couple of hours :) and it is windy today
adsl info --stats
adsl: ADSL driver and PHY status
Status: Showtime
Retrain Reason: 1
Max: Upstream rate = 1056 Kbps, Downstream rate = 4000 Kbps
Channel: INTR, Upstream rate = 448 Kbps, Downstream rate = 3712 Kbps
Link Power State: L0
Mode: G.DMT
TPS-TC: ATM Mode
Trellis: ON
Line Status: No Defect
Training Status: Showtime
Down Up
SNR (dB): 11.0 20.0
Attn(dB): 56.0 31.5
Pwr(dBm): 19.2 12.5
G.dmt framing
K: 117(0) 15
R: 16 16
S: 2 8
D: 16 4
Counters
SF: 2316575 2316569
SFErr: 5 0
RS: 78763562 19690836
RSCorr: 466651 0
RSUnCorr: 23 0
HEC: 5 0
OCD: 0 0
LCD: 0 0
Total Cells: 344767773 0
Data Cells: 4931077 0
Drop Cells: 10
Bit Errors: 0 0
ES: 1012 0
SES: 20 0
UAS: 80 80
AS: 39383
INP: 1.02 1.88
PER: 1.75 1.75
delay: 8.00 8.00
OR: 32.00 32.00
Bitswap: 761 6
Total time = 1 days 1 hours 22 min 47 sec
FEC: 22742280 0
CRC: 2084 0
ES: 1012 0
SES: 20 0
UAS: 80 80
LOS: 2 0
LOF: 18 0
Latest 15 minutes time = 7 min 47 sec
FEC: 5157 0
CRC: 0 0
ES: 0 0
SES: 0 0
UAS: 0 0
LOS: 0 0
LOF: 0 0
Previous 15 minutes time = 15 min 0 sec
FEC: 9893 0
CRC: 0 0
ES: 0 0
SES: 0 0
UAS: 0 0
LOS: 0 0
LOF: 0 0
Latest 1 day time = 1 hours 22 min 47 sec
FEC: 55399 0
CRC: 0 0
ES: 0 0
SES: 0 0
UAS: 0 0
LOS: 0 0
LOF: 0 0
Previous 1 day time = 24 hours 0 sec
FEC: 993875 0
CRC: 472 0
ES: 34 0
SES: 20 0
UAS: 72 72
LOS: 2 0
LOF: 18 0
Since Link time = 10 hours 56 min 21 sec
FEC: 466651 0
CRC: 5 0
ES: 3 0
SES: 0 0
UAS: 0 0
LOS: 0 0
LOF: 0 0
>
-
by the way it dropped connection around 2 this morning first time for 28 days
-
an engineer did say but even with out that I have the sea to the west , and at least 6-7 miles of open fields in all other directions which include the exchange and the only thing above ground excluding the odd house and byre are electric poles
We (Openreach) have permission to attach flying wires to Electric poles, known as JUP's (Joint User Poles). With the exception of the North West, whereby existing faulty wires can be replaced, but no additional wires can be attached.
-
He thinks he has a UG feed from the exchange :hmm: .
The idea was, wind blows, pole moves slightly in the ground, moving cable close to the pole, more plausible if it's a telegraph pole with cables running up it.
If he's got windmills nearby it may be worth monitoring the voltage, there was somebody who had problems and it was when the wind was stronger and the voltage increased.
-
We (Openreach) have permission to attach flying wires to Electric poles, known as JUP's (Joint User Poles). With the exception of the North West, whereby existing faulty wires can be replaced, but no additional wires can be attached.
interesting I'll have to investigate
-
oh another thing the router runs off a UPS
-
Does the ups log the mains voltage?
-
it doesn't keep a log ( as far as I've found ) but does show live data which at present is fluctuating between 242 and 244
-
Can you try DSLstats we need to see more graphs.
Then if you get any like your first graph of 13 Feb would need to see 'SRN Margin', 'Speed', 'Errors' graphs run for 24hrs so we can see what's going on .
My theory you have a developing HR joint
-
got dslstats running :) just getting the hang of it ( I think ;) )
-
:)
I find for me on 'Linux' Eric (roseway) did a very good job.
-
very calm day today no wind :)
-
more :)
-
adsl info --stats
adsl: ADSL driver and PHY status
Status: Showtime
Retrain Reason: 1
Max: Upstream rate = 1056 Kbps, Downstream rate = 4000 Kbps
Channel: INTR, Upstream rate = 448 Kbps, Downstream rate = 3712 Kbps
Link Power State: L0
Mode: G.DMT
TPS-TC: ATM Mode
Trellis: ON
Line Status: No Defect
Training Status: Showtime
Down Up
SNR (dB): 12.9 20.0
Attn(dB): 56.0 31.5
Pwr(dBm): 19.2 12.5
G.dmt framing
K: 117(0) 15
R: 16 16
S: 2 8
D: 16 4
Counters
SF: 7614657 7614775
SFErr: 44 0
RS: 258898350 64725587
RSCorr: 1454176 0
RSUnCorr: 228 0
HEC: 35 0
OCD: 0 0
LCD: 0 0
Total Cells: 1133258233 0
Data Cells: 14558867 0
Drop Cells: 10
Bit Errors: 0 0
ES: 1040 0
SES: 20 0
UAS: 80 80
AS: 129453
INP: 1.02 1.88
PER: 1.75 1.75
delay: 8.00 8.00
OR: 32.00 32.00
Bitswap: 1059 13
Total time = 1 days 2 hours 23 min 57 sec
FEC: 23729805 0
CRC: 2123 0
ES: 1040 0
SES: 20 0
UAS: 80 80
LOS: 2 0
LOF: 18 0
Latest 15 minutes time = 8 min 57 sec
FEC: 5581 0
CRC: 1 0
ES: 1 0
SES: 0 0
UAS: 0 0
LOS: 0 0
LOF: 0 0
Previous 15 minutes time = 15 min 0 sec
FEC: 9350 0
CRC: 0 0
ES: 0 0
SES: 0 0
UAS: 0 0
LOS: 0 0
LOF: 0 0
Latest 1 day time = 2 hours 23 min 57 sec
FEC: 89841 0
CRC: 2 0
ES: 2 0
SES: 0 0
UAS: 0 0
LOS: 0 0
LOF: 0 0
Previous 1 day time = 24 hours 0 sec
FEC: 953083 0
CRC: 37 0
ES: 26 0
SES: 0 0
UAS: 0 0
LOS: 0 0
LOF: 0 0
Since Link time = 1 days 11 hours 57 min 31 sec
FEC: 1454176 0
CRC: 44 0
ES: 31 0
SES: 0 0
UAS: 0 0
LOS: 0 0
LOF: 0 0
>
-
It's worth registering with MyDSLWebStats (https://www.mydslwebstats.co.uk/mdws-rg.php) and uploading your stats via DslStats. This allows everyone else to see your stats anytime you need assistance. I find the graphs much easier to navigate and see in greater detail than those displayed within DslStats.
-
cheers I'll look in to that
-
I have been meaning to ask . . .
Are you connected to an exchange that is still using 20CN equipment? For I notice that the modulation being used is G.992.1 (a.k.a. G.Dmt).
If your serving exchange is 21CN equipped, then configuring the modem/router to G.992.3 (i.e. ADSL2) would be beneficial.
-
I have been meaning to ask . . .
Are you connected to an exchange that is still using 20CN equipment? For I notice that the modulation being used is G.992.1 (a.k.a. G.Dmt).
If your serving exchange is 21CN equipped, then configuring the modem/router to G.992.3 (i.e. ADSL2) would be beneficial.
yes afraid it's just 20CN ( modern technology not made it up here yet ;) ) exchange " NSBIR "
-
yes afraid it's just 20CN ( modern technology not made it up here yet ;) )
That's unfortunate. :o Even Weaver, on the Isle of Skye, has been 21CN for over a year.
So a curious kitteh wonders just how "up" is your "here"? The Shetland Islands?
-
looks like the top of the world 'Orkney' :)
https://www.samknows.com/broadband/exchange/NSBIR
-
looks like the top of the world 'Orkney' :)
Ah, I have obviously failed to do the required research. :-[ :paperbag:
Thank you for providing the information.
-
Thats why I don't have a problem with trees :lol:
-
That's unfortunate. :o Even Weaver, on the Isle of Skye, has been 21CN for over a year.
So a curious kitteh wonders just how "up" is your "here"? The Shetland Islands?
The plus side for some but apparently not me :( is they are connecting fibre to the exchange shortly , seen new cabinets appearing near the exchange
-
Code look up says.
FTTC doing Design, live due by April 2017
https://www.telecom-tariffs.co.uk
That's just set the cogs going in my three brain cells I have left.
Does the exchange have a Microwave dish on it somewhere pointing to the mainland or nearby on a mast ? that would be used for the link.
Wind = loose dish = wobbly broadband :hmm:
Have you asked some other island residents if they have noticed poor broadband when it's windy ?.
-
Code look up says.
FTTC doing Design, live due by April 2017
https://www.telecom-tariffs.co.uk
That's just set the cogs going in my three brain cells I have left.
Does the exchange have a Micro wave dish on it somewhere pointing to the mainland or nearby on a mast ? that would be used for the link.
Wind = loose dish = wobbly broadband :hmm:
Have you asked some other island residents if they have noticed poor broadband when it's windy ?.
" Genius " that would make sense it does have one on the rise behind the exchange but difficult getting info from others most I've spoken to don't even know how to log in to their routers , they just complain and leave it at that :(
-
so would that mean when fibre arrives the dish would be redundant ?
-
so would that mean when fibre arrives the dish would be redundant ?
Not necessarily so. It really depends upon what plans have been made for the access link (of the telephony and the broadband Internet services) between the islands and mainland Scotland. Upgraded microwave link or submarine optical fibre cables?
The planners will look at all options, including the price. :-X
-
so would that mean when fibre arrives the dish would be redundant ?
I would think it would be upgraded and possibly solve your problem.
But you could get some graphical evidence of the problem and ask BTOR to check that there equipment is all in order, be a nice day trip for someone :)
Do you have a parish council or similar, you maybe could get some of them to monitor there broadband .
Found some old posts .
http://www.orcadian.co.uk/ongoing-problems-phones-internet-north-isles/
http://www.shetnews.co.uk/newsbites/4834-broadband-problems-traced-back-to-orkney-mast
If you are with BT give them a free call 0800 800 151 if you are unlucky to get through to India I just said goodbye and dialed again and I got a UK based call center that seem to get things sorted.
Tell them you suspect the radio link needs looking at to the mainland because of the high winds.
-
Not necessarily so. It really depends upon what plans have been made for the access link (of the telephony and the broadband Internet services) between the islands and mainland Scotland. Upgraded microwave link or submarine optical fibre cables?
The planners will look at all options, including the price. :-X
the under sea cable came ashore a couple of years ago already installed in a lot of the county but being the very north west tip we have to wait a while :fingers:
-
I would think it would be upgraded and possibly solve your problem.
But you could get some graphical evidence of the problem and ask BTOR to check that there equipment is all in order, be a nice day trip for someone :)
Do you have a parish council or similar, you maybe could get some of them to monitor there broadband .
Found some old posts .
http://www.orcadian.co.uk/ongoing-problems-phones-internet-north-isles/
http://www.shetnews.co.uk/newsbites/4834-broadband-problems-traced-back-to-orkney-mast
If you are with BT give them a free call 0800 800 151 if you are unlucky to get through to India I just said goodbye and dialed again and I got a UK based call center that seem to get things sorted.
Tell them you suspect the radio link needs looking at to the mainland because of the high winds.
I'm with Plusnet but that sounds a good plan to look in to , I could get a BT neighbour to do it with any luck
-
I would have thought that the SNRM, on your ADSL connection between your modem and the exchange, would be completely unaffected by any problems with the backhaul.
-
Does the exchange have a Microwave dish on it somewhere pointing to the mainland or nearby on a mast ? that would be used for the link.
Wind = loose dish = wobbly broadband :hmm:
Have you asked some other island residents if they have noticed poor broadband when it's windy ?.
As well as forecasts, the Met Office website provides figures, including wind speed/direction, for the previous 15 hours or so - eg
http://www.metoffice.gov.uk/public/weather/observation/gfmzs9uhd
For documented evidence, perhaps you could associate a dodgy DSLststs graph with the Met Office figures?
-
yes that's what I've been doing when all other feasible reasons didn't match the graphs and once I noticed the link it became obvious the link was wind and not rain as I first thought , the only problem is the met's previous 15 hrs results are for kirkwall and there can be quite a difference depending on direction so I keep my own results ( this is getting really sad I'm going to have to get a life :'( )