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1054 posts

Uber Geek
+1 received by user: 71

Topic # 17527 30-Nov-2007 09:59
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Line coding:Trellis On 
Status:No Defect 
Link power state:L0 
SNR margin (dB):11.1 19.4 
Attenuation (dB):37.0 19.6 
Output power (dBm):15.4 12.2 
Attainable rate (Kbps):776 421 
Rate (Kbps):404 164 
MSGc (number of bytes in overhead channel message):18 18 
B (number of bytes in Mux Data Frame):11 
M (number of Mux Data Frames in FEC Data Frame):
T (Mux Data Frames over sync bytes):
R (number of check bytes in FEC Data Frame):
S (ratio of FEC over PMD Data Frame length):0.9231 0.9091 
L (number of bits in PMD Data Frame):104 44 
D (interleaver depth):
Delay (msec):
Super Frames:9779 9777 
Super Frame Errors:210 
RS Words:
RS Correctable Errors:
RS Uncorrectable Errors:N/A 
HEC Errors:2234 
OCD Errors:
LCD Errors:
Total Cells:154696 568591280 
Data Cells:115711 24356100 
Bit Errors:107572 
Total ES:219 
Total SES:109 
Total UAS:33 540101 

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675 posts

Ultimate Geek


  Reply # 97626 30-Nov-2007 10:10

Not as bad as your line, but my line sync's a lot lower than it used to and a lot lower than what I should get

Line ModeG.dmt Line StateShow Time 
Latency TypeInterleave Line Up Time15:22:37:08 
Line CodingTrellis Off Line Up Count


Line Rate2304 Kbps160 Kbps
Attainable Line Rate2560 Kbps 892 Kbps 
Noise Margin11.1 dB 31.0 dB 
Line Attenuation43.0 dB 29.0 dB 
Output Power9.1 dBm 17.6 dBm


Bare in mine the closest exchanges to Milford are Takapuna (just down from Hurstmere/Kitchener road intersection) and Forrest Hill (Just up from Forrestt Hill Rd and Tristram Ave intersection) so some properties in Milford are quite far from the exchange in copper length, We are just under 4km from the Takapuna exchange in copper length

1054 posts

Uber Geek
+1 received by user: 71

  Reply # 97678 30-Nov-2007 17:23
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Usually connect at 7000+ but today it has been all over the place and mainly connecting at the above (404 -546) speed. Will do some more restarts of the router when I get home.

Good to know about the distance from the exchange often wondered what that was, how can one tell what exchange they're connected to? I'm guessing forest hill as I am on Corunna.


675 posts

Ultimate Geek


  Reply # 97680 30-Nov-2007 17:30

Telecom has a page under its wholesale section about exchanges: Information on exchanges

One of the excel sheets (I think the first) will tell you which number rangers are allocated to which exchanges

1054 posts

Uber Geek
+1 received by user: 71

  Reply # 97690 30-Nov-2007 18:05
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Thats great will check it out, have been having various different issues since Telecom did the upgrade to ADSL2... far more stable on ADSL.

Again thanks for the information.

2200 posts

Uber Geek
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Lifetime subscriber

  Reply # 98903 8-Dec-2007 15:54
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Trying another router could be a good idea. Given the unstable nature of the connection you need to insist that level 2 support is involved and the problem is investigated by Telecom.



Spark FibreMAX using Mikrotik CCR1009-8G-1S-1S+


Speed Test

1054 posts

Uber Geek
+1 received by user: 71

  Reply # 98905 8-Dec-2007 16:05
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Hey thanks for the reply, still battling it out to get a solution. Have only had my current US Robotics 9108 router 6 months or so was great on ADSL and was pretty stable at first when they switched over to ADSL2.. but have noticed it getting worse and eventually ending up where I am now, somedays it's fine can connect with no issues other days a horrible headache. Have tried it with an old dlink adsl router but I've never had any faith with it. So waiting for a Belkin ADSL2 router that I ordered to turn up and give that go.

As for my ISP, it's either a 40 minute wait on hold and going nowhere or sending an email and getting no reply. So still battling with them.

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