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310 posts

Ultimate Geek

# 85933 28-Jun-2011 13:11
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Just wanted to ask the Telecom experts here about our exchange being upgraded.
When I look at my Modem stats I see that the line cards are Ikanos (IKNS) which I believe are the new
VDSL2 ones, so how come we are still on ADSL1 ?
We only have 1 cabinet in our small town that has been upgraded to  VDSL2 & ADSL2 already. 
According to the wholesale maps our exchange won't be upgraded until September so what is the hold up?
Very frustrating.


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8035 posts

Uber Geek


  # 487000 28-Jun-2011 16:35
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What make and model modem/router do you have?

Also it just takes time, from the time they install the physical cabinet, move lines etc, till total competition when all lines are moved it can take a couple of months.

310 posts

Ultimate Geek

  # 487125 28-Jun-2011 20:39
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The modem is a standard Telecom Thompson TG585 v8

The cabinet serves only a very small part of our town.
The exchange is the main part that serves most of the town and will not be replace by a cabinet, I guess it must just take time to sort it all out.


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Uber Geek


  # 487218 29-Jun-2011 00:48
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It sounds like you will not be getting put onto a cabinet because you are close enough to the exchange for a 10mbit or higher ADSL2+ service.

The cabinet is more of a priority because those users further out will be getting a much lower speed than you are.

When they install a cabinet or upgrade equipment at the exchange, hundereds of lines must be rewired to connect to the new equipment. They have only a limited amount of technicians trained to do this boring and mind intensive work, and those techs are working pretty much full time around the country transfering hundereds of thousands of lines over. So yeah it does take time.

Ray Taylor
Taylor Broadband (rural hawkes bay)

There is no place like localhost
For my general guide to extending your wireless network Click Here

7094 posts

Uber Geek


  # 487233 29-Jun-2011 07:55
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Exactly what are your current line stats, ie attenuation, noise margin, sync rate.


310 posts

Ultimate Geek

  # 487234 29-Jun-2011 08:02
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Yeah, sounds like a lot of work.

I have some customers that are on VOIP phone lines with 2talk and am very keen to get them on VDSL2. I presume VDSL2 will be very good for VOIP ? anybody here know ?

310 posts

Ultimate Geek

  # 487236 29-Jun-2011 08:05
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Quick post, gotta go to work

Link Information

Uptime: 2 days, 20:29:44

DSL Type: G.992.1 annex A

Channel mode: Interleave

Maximum Bandwidth (Up/Down) [kbps/kbps]: 732 / 8.064

Bandwidth (Up/Down) [kbps/kbps]: 704 / 8.064

Data Transferred (Sent/Received) [kB/GB]: 0,00 / 12,70

Output Power (Up/Down) [dBm]: 12,0 / 17,5

Line Attenuation (Up/Down) [dB]: 15,5 / 31,5

SN Margin (Up/Down) [dB]: 12,0 / 12,5

Vendor ID (Local/Remote): TMMB / IKNS

Loss of Framing (Local/Remote): 0 / 0

Loss of Signal (Local/Remote): 4 / 0

Loss of Power (Local/Remote): 0 / 0

Loss of Link (Remote): 0

Error Seconds (Local/Remote): 67.159 / 0

FEC Errors (Up/Down): 279 / 8.519.284

CRC Errors (Up/Down): 174 / 1.772.332

HEC Errors (Up/Down): 189 / 1.389.059

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Uber Geek


  # 487262 29-Jun-2011 09:19
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Hi, sounds odd that you are clearly on new ISAM gear but not ADSL2, can only surmise that there is someother work to be done before it can be released for full service.



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Master Geek

  # 487264 29-Jun-2011 09:23
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cyril7: Hi, sounds odd that you are clearly on new ISAM gear but not ADSL2, can only surmise that there is someother work to be done before it can be released for full service.


happened to me when Cloverlea in Palmerston North was upgraded a couple of months ago.. I got all excited when I saw my modem reported IKANOS but then I was still getting ADSL1.
About 1 month later IIRC I all of a sudden got ADSL2+.
They must go through a few phases when commissioning the new gear.

233 posts

Master Geek

  # 487272 29-Jun-2011 09:36
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My downstream attenuation is very close to the OP so here are my stats for you to have a look at.
Do they look ok?

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Uber Geek


  # 487280 29-Jun-2011 09:48
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Hi Nigel, yes my next comment (got distracted with work) would be that your sync rate may be held back by house wiring (or other). 31dB attenuation should be good for 10-13Mb/s in ADSL2+ mode so the limitation could be there or as already discussed waiting till Chorus move the gear to the next phase.

To the OP have you checked your house wiring, it may all be good but worth a try.

Recenlty on a filter install I had a house that was syncing in G.DMT (ADSL1) at around 3.4Mb/s and reporting 38dB attenuation, after sorting the wiring and a filter it jumped to 14Mb/s and 24dB, the existing house wiring was very typical of you standard 60s-70s NZ house.


310 posts

Ultimate Geek

  # 487394 29-Jun-2011 12:54
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Yeah, I guess they are working on it, I hope.

Yes, good point cyril7, I too have found that house wiring is often the cause of problems.
I have my phone line from outside going direct to the modem with a cat5 E cable (got a speed boost from doing just that), so should be all good. I don't use my phone sockets, just run a IP01 Atcom PBX to the modem and them an ATA to a protable phone with 3 handsets and some other IP phones, VOIP only with PSTN failover.
The only other thing I will be doing is installing a proper VDSL2/ADSL2 splitter when we are finally upgraded at the moment it's just a filter.

Honestly, to anyone reading this, do yourself a favor and wire in your modem direct and then run the rest of the phone sockets (if you need them) off a splitter from there and 9 time out of 10 you will get a speed boost and a more reliable broadband, I have found.

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