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Author Topic: Fibre install day !!  (Read 42379 times)

Blackeagle

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Fibre install day !!
« on: April 05, 2012, 12:42:00 PM »

So, this is probably the last speedtest I'll be doing on my ADSL2+ line.
 

I'll post a test on VDSL later after the engineer has gone.  The appointment slot starts in 30 mins (at 1 o'clock) but could be anytime upto 6.

A couple of ping tests as well.
Code: [Select]
C:\Users\Blackeagle>ping www.bbc.co.uk

Pinging www.bbc.net.uk [212.58.246.91] with 32 bytes of data:
Reply from 212.58.246.91: bytes=32 time=46ms TTL=53
Reply from 212.58.246.91: bytes=32 time=45ms TTL=53
Reply from 212.58.246.91: bytes=32 time=45ms TTL=53
Reply from 212.58.246.91: bytes=32 time=46ms TTL=53

Ping statistics for 212.58.246.91:
    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
    Minimum = 45ms, Maximum = 46ms, Average = 45ms

C:\Users\Blackeagle>


C:\Users\Blackeagle>ping www.google.com

Pinging www.l.google.com [173.194.67.105] with 32 bytes of data:
Reply from 173.194.67.105: bytes=32 time=50ms TTL=46
Reply from 173.194.67.105: bytes=32 time=49ms TTL=46
Reply from 173.194.67.105: bytes=32 time=49ms TTL=46
Reply from 173.194.67.105: bytes=32 time=49ms TTL=46

Ping statistics for 173.194.67.105:
    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
    Minimum = 49ms, Maximum = 50ms, Average = 49ms

C:\Users\Blackeagle>

My current line stats are (after a powercut the other night)

Code: [Select]
Link Information

Uptime: 1 day, 7:49:17
DSL Type: ITU-T G.992.5
Bandwidth (Up/Down) [kbps/kbps]: 1.003 / 8.779
Output Power (Up/Down) [dBm]: 13,1 / 0,0
Line Attenuation (Up/Down) [dB]: 19,5 / 37,0
SN Margin (Up/Down) [dB]: 9,0 / 8,8
Vendor ID (Local/Remote): 544D4D42 / 2D2D2D2D
Loss of Framing (Local/Remote): 0 / 2.147.480.000
Loss of Signal (Local/Remote): 0 / 2.147.480.000
Loss of Power (Local/Remote): 0 / 2.147.480.000
Loss of Link (Remote): 2.147.480.000
Error Seconds (Local/Remote): 518 / 2.147.480.000
FEC Errors (Up/Down): 2.342.433 / 4.294.967.264
CRC Errors (Up/Down): 873 / 2.147.480.000
HEC Errors (Up/Down): 0 / 0

Current graphs from my line. These are hosted on my server so will be unavailable during the changeover period.





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Blackeagle

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Re: Fibre install day !!
« Reply #1 on: April 05, 2012, 02:28:03 PM »

OK, so engineer has been and gone.

First thing, its the damn ECI modem, so no stats there for me  :no:

Secondly, the engineer said that there were quite a few RS errors showing on his JDSU and that DLM would already be slowing down the line from his initial connection which synced up at 37Mbps.  He tried to do some tests but said that BT's system was unavailable today and that he had been unable to use it all day !!  He did however mention that my copper is quite noisy (which I already knew) and told me which CAB I am connected to.  I was suprised to find it wasn't the one I thought it would have been, and he said that he was suprised as well, as he had originally gone to the one I thought it would have been.  The other cab (that I am connected to) is in totally the opposite direction to the exchange and further away from my house too  :'(

Anyways, speedtest from around 15 minutes after initial JDSU connection.



Original speed estimate was 33Mbps but he said it was more likely that it would settle around 30, judging by his stats.  He did show me his JDSU but wouldn't let me photo it. 
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camallison

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Re: Fibre install day !!
« Reply #2 on: April 05, 2012, 04:15:39 PM »

 :thumbs:  Congratulations.

 :fingers: for you.  I would get that noisy line seen to - call the "voice" side of BT and complain, not the broadband side.

Colin
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burakkucat

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Re: Fibre install day !!
« Reply #3 on: April 05, 2012, 05:25:41 PM »

OK, so engineer has been and gone.

First thing, its the damn ECI modem, so no stats there for me  :no:

Once your line has stabilised, perhaps you could source a Huawei HG612 to use whilst you loan your ECI B-FOCuS modem to The Maestro, Asbokid, himself for forensic examination?  :-\
« Last Edit: April 06, 2012, 12:28:38 AM by burakkucat »
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Bald_Eagle1

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Re: Fibre install day !!
« Reply #4 on: April 05, 2012, 05:54:14 PM »

OK, so engineer has been and gone.

First thing, its the damn ECI modem, so no stats there for me  :no:


Oh, that's a shame.
You may be able to pick up a HG612 from ebay at a reasonable price?

Maybe the ECI isn't too far away from being made accessible. A few people appear to be having a dabble with it.

Quote
Secondly, the engineer said that there were quite a few RS errors showing on his JDSU and that DLM would already be slowing down the line from his initial connection which synced up at 37Mbps.  He tried to do some tests but said that BT's system was unavailable today and that he had been unable to use it all day !!  He did however mention that my copper is quite noisy (which I already knew) and told me which CAB I am connected to.  I was suprised to find it wasn't the one I thought it would have been, and he said that he was suprised as well, as he had originally gone to the one I thought it would have been.  The other cab (that I am connected to) is in totally the opposite direction to the exchange and further away from my house too  :'(

Anyways, speedtest from around 15 minutes after initial JDSU connection.




That's still quite an increase on your previous connection.

Ping looks a little high, but DLM might settle down after a while of (hopefully) connection stability & let you have a bit more speed, maybe also reducing Interleaving/delay etc.


Quote
Original speed estimate was 33Mbps but he said it was more likely that it would settle around 30, judging by his stats.  He did show me his JDSU but wouldn't let me photo it.

Working your speed test backward & assuming no congestion, 19.24Mb throughput would suggest a sync speed of around 31Mb, so not a million miles off the estimate.

I don't suppose you managed to jot down any of the stats, including line length................?

EDIT:

Of course I meant to type 29.24Mb & not 19.24Mb.
(Damned keyboard)
« Last Edit: April 05, 2012, 08:02:44 PM by Bald_Eagle1 »
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Blackeagle

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Re: Fibre install day !!
« Reply #5 on: April 05, 2012, 07:36:51 PM »

Once you line has stabilised, perhaps you could source a Huawei HG612 to use whilst you loan your ECI B-FOCuS modem to The Maestro, Asbokid, himself for forensic examination?  :-\

Indeed.  I am watching one currently  ;)


That's still quite an increase on your previous connection.

Ping looks a little high, but DLM might settle down after a while of (hopefully) connection stability & let you have a bit more speed, maybe also reducing Interleaving/delay etc.

Working your speed test backward & assuming no congestion, 19.24Mb throughput would suggest a sync speed of around 31Mb, so not a million miles off the estimate.

I don't suppose you managed to jot down any of the stats, including line length................?

No, sadly not although I do remember my downstream SNR was 6.2dB and capacity was at 100%

It is much faster than I have ever had before but obviously one likes these things to be as highly tuned and as fast as possible.
:thumbs:  Congratulations.

 :fingers: for you.  I would get that noisy line seen to - call the "voice" side of BT and complain, not the broadband side.

Colin

Thanks Colin.  I don't think there is much point trying to do anything about the noise on the line.  Its not evident on the voice part of the spectrum at all as its in the higher frequencies.  On my ADSL graphs you could clearly see it above tone 315.

I have to say, after years of monitoring my line, its absolutely frustrating to not even be able to see my sync speed, let alone any other stats. Grrrrr.......
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Bald_Eagle1

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Re: Fibre install day !!
« Reply #6 on: April 05, 2012, 08:06:02 PM »


I have to say, after years of monitoring my line, its absolutely frustrating to not even be able to see my sync speed, let alone any other stats. Grrrrr.......


Especially for anyone who might get a bit OCD over it.
It's a good job I'm not like that  :-[

Do you have a rough idea of the line length to the cab you ended up being connected to?
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Blackeagle

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Re: Fibre install day !!
« Reply #7 on: April 05, 2012, 08:11:01 PM »

Yeah, 650m give or take 50m either way.


EDIT - Just done this at BT


Compared to

« Last Edit: April 05, 2012, 08:23:39 PM by Blackeagle »
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Bald_Eagle1

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Re: Fibre install day !!
« Reply #8 on: April 05, 2012, 08:27:18 PM »

Yeah, 650m give or take 50m either way.

Hmmm,

Seems like the noise issue (above tone 315 on ADSL) is actually in the D-side part of the line then.

Was it ALWAYS evident, or perhaps only at certain times of day?
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Blackeagle

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Re: Fibre install day !!
« Reply #9 on: April 05, 2012, 08:36:52 PM »

It was more evident in the evening, especially if I had to re-sync for some reason.  This graph shows it quite clearly, and is from this mornings grabs.  My router re-synced during the night after we had a powercut a couple of days ago.



If I had resynced in the morning between say 7-9am, it would have tailed off much more smoothly, instead of suddenly cutting off.  I may have a graph still of it like that, I'll have a dig around.

EDIT - Found one.  Not brilliant, but better than the first !



« Last Edit: April 05, 2012, 08:41:44 PM by Blackeagle »
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Bald_Eagle1

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Re: Fibre install day !!
« Reply #10 on: April 05, 2012, 08:46:54 PM »


I may have a graph still of it like that, I'll have a dig around.

EDIT - Found one.  Not brilliant, but better than the first !


What is it with B*Eagles & graphs?

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Blackeagle

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Re: Fibre install day !!
« Reply #11 on: April 05, 2012, 09:08:05 PM »



What is it with B*Eagles & graphs?

No idea bud !!  ;D ;D
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burakkucat

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Re: Fibre install day !!
« Reply #12 on: April 06, 2012, 12:33:25 AM »

What is it with B*Eagles & graphs?

<Cough> (Yet another fur-ball!) Could the phrase "bird-brain" be significant?  :P
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GigabitEthernet

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Re: Fibre install day !!
« Reply #13 on: April 06, 2012, 11:04:01 AM »

I received a Huawei HG612 yesterday from a seller in the a very similar location with exactly the same description and name. Coincidence?

Anyway, the modem was brand new and it works perfectly. If it helps, it has SP10 firmware and it is a 3B hardware revision.

Here is the link to the modem I purchased: http://www.ebay.co.uk/itm/251031496766?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1423.l2649#ht_500wt_1062

You can see it is almost identical to the modem you are looking at!
« Last Edit: April 06, 2012, 11:06:07 AM by arobertson545 »
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burakkucat

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Re: Fibre install day !!
« Reply #14 on: April 06, 2012, 07:03:38 PM »

Quote
it has SP10 firmware and it is a 3B hardware revision.

That's good. Now you just need to upgrade the firmware to the Asbo SP10 version and you are ready to monitor your line.
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