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248 posts

Master Geek
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Topic # 113004 1-Jan-2013 20:02 Send private message

Hi, I've noticed that my ADSL connection often drops during afternoon and get back from 5 to 7 pm in last few days and that time normally I was either at work or on my way home during time. For example I couldn't get internet connection from 3:30 pm today and it only get back about 6:30 pm.

I am with Slingshot Naked DSL and using a TP-link td-8840. I think it is probably not the modem's fault and as I am using naked DSL I don't think I need a filter.

Here is ADSL statistics, looks fine to me, but I am not sure as something must be wrong:

Mode:ADSL2+ 
Line Coding:Trellis On 
Status:No Defect 
Link Power State:L0  

Downstream|Upstream
SNR Margin (dB):12.4 13.0 
Attenuation (dB):17.5 8.6 
Output Power (dBm):19.4 12.4 
Attainable Rate (Kbps):15220 977 
Rate (Kbps):12107 980 
MSGc (number of bytes in overhead channel message):51 17 
B (number of bytes in Mux Data Frame):215 29 
M (number of Mux Data Frames in FEC Data Frame):1 1 
T (Mux Data Frames over sync bytes):2 3 
R (number of check bytes in FEC Data Frame):0 0 
S (ratio of FEC over PMD Data Frame length):0.5695 0.9677 L (number of bits in PMD Data Frame):3034 248 
D (interleaver depth):1 1 
Delay (msec):0 0  

Super Frames:238391 238389 
Super Frame Errors:75 110905 
RS Words:0 0 
RS Correctable Errors:0 0 
RS Uncorrectable Errors:0 N/A  
HEC Errors:65 1100189 
OCD Errors:13 0 
LCD Errors:0 0 Total Cells:110501538 1768629175 
Data Cells:1591452 3957376579 
Bit Errors:0 59590839  

Total ES:137 28848 
Total SES:36 6609 
Total UAS:2541 56572

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40 posts

Geek


  Reply # 739222 1-Jan-2013 20:49 Send private message

We had similar problem saturday and yesterday with slingshot Naked DSL also. It could have been other days but haven't been here





248 posts

Master Geek
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  Reply # 739415 2-Jan-2013 16:32 Send private message

No connection lose yet today but the SNR margin definitely getting worse/fluctuate a lot right now(4:30 pm), not sure what's
the reason?

 DownstreamUpstream
SNR Margin (dB):10.5 99.5 
Attenuation (dB):20.0 9.9 
Output Power (dBm):18.8 12.6 
Attainable Rate (Kbps):4860 1001 
Rate (Kbps):3411 492 
MSGc (number of bytes in overhead channel message):59 17 
B (number of bytes in Mux Data Frame):106 14 
M (number of Mux Data Frames in FEC Data Frame):1 1 
T (Mux Data Frames over sync bytes):1 3 
R (number of check bytes in FEC Data Frame):0 0 
S (ratio of FEC over PMD Data Frame length):0.9942 0.9524 
L (number of bits in PMD Data Frame):861 126 D (interleaver depth):1 1 
Delay (msec):0 0



248 posts

Master Geek
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  Reply # 739417 2-Jan-2013 16:41 Send private message

beachgeek: We had similar problem saturday and yesterday with slingshot Naked DSL also. It could have been other days but haven't been here



Interesting, it could be something to do with their networks, but why only afternoons?

Also I do know that the jack port I am using had some wiring issue before and I did some hack work and seems fixed it, it is quite possible that I need some qualified electrician with proper tools have a look.

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  Reply # 739418 2-Jan-2013 16:43 Send private message

The fact the SNR, attenution and sync rate are all fluctuation would all point to a wiring issue.

The first thing you need to do is eliminate your house wiring, as statistically internal wiring is the single biggest cause of xDSL issues.




248 posts

Master Geek
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  Reply # 739420 2-Jan-2013 16:55 Send private message

sbiddle: The fact the SNR, attenution and sync rate are all fluctuation would all point to a wiring issue.

The first thing you need to do is eliminate your house wiring, as statistically internal wiring is the single biggest cause of xDSL issues.



You are right.

Any difference if I ask Slingshot to sent a technician over or I found one myself on Yellow page/Internet, I don't have wiring maintenance insurance thing from Slingshot so both will cost me money anyway.

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  Reply # 739435 2-Jan-2013 17:34 Send private message

Nope. Any tech will do!

Auckland - Geekzone member Coffeebaron is your man.

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  Reply # 740326 4-Jan-2013 23:17 Send private message

sbiddle: The fact the SNR, attenution and sync rate are all fluctuation would all point to a wiring issue.

The first thing you need to do is eliminate your house wiring, as statistically internal wiring is the single biggest cause of xDSL issues.



Yup, you are getting lower actual sync speed than the "attainable" so some wiring is slowing it down and could easily be on your house wiring. do you have an alarm without a master splitter? have all the phone jacks around the house been disconnected, including any that Sky TV might connect to?

Is the outlet you normally connect the modem to the closest one to the incoming line from the street? If so, you could disconnect all other wires so just the 2 from the street are connected. You would still need to look for things like alarms that might be wired in ahead of the first outlet.




Qualified in business, certified in fibre, stuck in copper, have to keep going  ^_^



248 posts

Master Geek
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  Reply # 740500 5-Jan-2013 20:16 Send private message

webwat:
sbiddle: The fact the SNR, attenution and sync rate are all fluctuation would all point to a wiring issue.

The first thing you need to do is eliminate your house wiring, as statistically internal wiring is the single biggest cause of xDSL issues.



Yup, you are getting lower actual sync speed than the "attainable" so some wiring is slowing it down and could easily be on your house wiring. do you have an alarm without a master splitter? have all the phone jacks around the house been disconnected, including any that Sky TV might connect to?

Is the outlet you normally connect the modem to the closest one to the incoming line from the street? If so, you could disconnect all other wires so just the 2 from the street are connected. You would still need to look for things like alarms that might be wired in ahead of the first outlet.


I don't know much about this house's wiring, except one of two jack ports in the living room is not connected/cannot get ADSL connection and I am using the other one, hopefully a technician could help me find out.

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  Reply # 744775 14-Jan-2013 21:19 Send private message

Myth: I don't need a master splitter, I have naked DSL

Busted: This connection was 2Mbps when I came to do the install, and very unstable. Now after master splitter install, a solid 14-15Mbps.




Chorus has spent $1.4 billion on making their ADSL broadband network faster. Why not spend a couple of hundred to make sure you are getting the most out of your connection?
Geekzone special price: $150* for master splitter install, normally $200+ through your ISP. Auckland and Waikato areas.
*Travel charges may apply. Additional costs may apply for complex installs.
I install - Naked DSL, DSL Master Splitters, VoIP, RBI Rural Broadband. Also a dealer for WorldxChange.
Need help in Auckland or Waikato? Click my email button, or email me direct: [my user name] at geekzonemail dot com

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  Reply # 744821 14-Jan-2013 23:27 Send private message

coffeebaron: Myth: I don't need a master splitter, I have naked DSL

Busted: This connection was 2Mbps when I came to do the install, and very unstable. Now after master splitter install, a solid 14-15Mbps.


That has to be one of the best outcomes I have heard!!

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Master Geek
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  Reply # 744824 14-Jan-2013 23:33 Send private message

more just dodgy joints the barron cleaned up maybe?



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Master Geek
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  Reply # 744838 15-Jan-2013 05:18 Send private message

kornflake: more just dodgy joints the barron cleaned up maybe?


Line quality dropped quite a bit during last couple of days. Both joints and jack port been rewired by coffeebaron, splitter did improved a bit as well.

Probably a new modem will do even better, I believe I am in Telecom VDSL coverage, but with Slingshot now, not sure I am using their own cabinets or Telecom's.

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  Reply # 744840 15-Jan-2013 06:17 Send private message

pstar008:
kornflake: more just dodgy joints the barron cleaned up maybe?


Line quality dropped quite a bit during last couple of days. Both joints and jack port been rewired by coffeebaron, splitter did improved a bit as well.

Probably a new modem will do even better, I believe I am in Telecom VDSL coverage, but with Slingshot now, not sure I am using their own cabinets or Telecom's.


Neither Slingshot nor Telecom have equipment in cabinets. They are all owned by Chorus who are the only provider of hardware in them and who provide wholsale services from them.


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