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7 posts

Wannabe Geek


Topic # 50996 26-Nov-2009 18:42
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Hi,

I am with orcon and my interent works normally until saturday last week, after ringing orcon and some testing I found out that i could only connect with ADSL 1 and ADSL 2 modulation and not ADSL 2+. I am using the modem that came with orcon RTA1320. My connection to my ADSL jack is a splitter so i dont use any filters.

ADSL 1 and ADSL 2 connects normally and can surf the internet however with ADSL 2+ modulation set i can connect and can ping with about 25% packet loss but i cant load webpages. However it will sometimes load the top of the page only.

Is anyone having a similar issue? Also any idea what the problem might be, they have tried a line test and found one of my phone was faulty but after removing that phone the problem still exists, also my adsl profile was tweeked around but even at the "safest" one for ADSL 2+ the problem is still the same. ASDL 2 and ADSL 1 works perfectly though.

Thanks

canto

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  Reply # 277291 28-Nov-2009 18:57
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Hi Canto, can you post your modems ADSL line stats page, and do you have any idea how far you are from the exchange or cabinet, check at the following link to get an idea.

www.telecomwholesale.co.nz/maps

Cheers
Cyril



7 posts

Wannabe Geek


  Reply # 277292 28-Nov-2009 19:16
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Hi, cyril7

Thanks for the reply

On the map I am located inside the orange area of BHB Blockhouse Bay exchange, I am about 2 km from the center of that shaded area

My line stats for ADSL 2+ are as follows:

Line Mode               ADSL2+       Line State           Show Time 
Line Power State      L0               Line Up Time       00:00:01:35
Line Coding            Trellis On     Line Up Count      5

Statistics                                                                           Downstream                         Upstream
Line Rate                                                                          9787 Kbps                          1019 Kbps
Attainable Line Rate                                                           11200 Kbps                         1312 Kbps
Noise Margin                                                                      6.1 dB                                15.2 dB
Line Attenuation                                                                 34.5 dB                               16.4 dB
Output Power                                                                     0.0 dBm                              12.8 dBm
MSGC (number of bytes in overhead channel message)           51                                       12
B (number of bytes in Mux Data Frame)                                174                                      31
M (number of Mux Data Frames in FEC Data Frame)                 1                                       1
T (Mux Data Frames over sync bytes)                                     2                                       4
R (number of check bytes in FEC Data Frame)                         0                                       0
S (ratio of FEC over PMD Data Frame length)                           0.5705                               0.9961
L (number of bits in PMD Data Frame)                                    2454                                  257
D (interleave depth)                                                             1                                       1
Delay                                                                                  0                                       0
Super Frames                                                                      5860                                   5588
Super Frame Errors                                                               5223                                  0
RS Words                                                                            0                                       0
RS Correctable Errors                                                            0                                       0
RS Uncorrectable Errors                                                         0                                       0
HEC Errors                                                                           5243                                   0
OCD Errors                                                                          5012                                   0
LCD Errors                                                                           0                                       0
Total Cells                                                                         1846085                              0
Data Cells                                                                          4279                                   0
Bit Errors                                                                              0                                      0
Total ES                                                                            1708                                    123
Total SES                                                                            436                                     82
Total UAS                                                                            71                                      17

Thanks

Canto

 
 
 
 


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  Reply # 277410 29-Nov-2009 09:49
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Hi, at 34dB (approx 2.4km of cable) you are pretty much past the point of getting any use out of the 1.1-2.2MHz spectrum used by 2+ and so are better off letting it just sync at ADSL2 or ADSL1 which is what the modem is tyring to do without you forcing it.

ADSL2+ can provide pretty much full speed (16-22Mb/s) out to around 1km, between 1-2km it starts to tapper off down to around 10-12Mb/s, and by 2km or so the upper spectrum is no longer reliably usable so it should pull back to ADSL2 or 1. Even at ADSL1 on 34dB you should still be able to get a 7.6Mb/s sync and reliably so there is little speed advantage in the 10Mb/s on 2+ you are trying to achieve.

Cyril



7 posts

Wannabe Geek


  Reply # 277447 29-Nov-2009 12:23
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Hi, Cyril

It just that it really strange that it used to work for about 1 year then it just stopped working last week. The modem tries to sync at ADSL 2+ i have to force it to sync at ADSL 1 or 2 or else it wont connect correctly. Thanks for the info maybe my line quality has degraded or something.

Canto

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  Reply # 277696 30-Nov-2009 09:30
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Hi, also could be your modem, those Dynalinks are good modems, however have a reputation that is worldwide for not ventilating well enough, the end result is that overtime there performance degrades to a point where they stop working all together, but before that there performance drops. I suggest you get a new modem, the DSE XH9949 is a good option, same chipset, but better case design that does not suffer from heat issues.

Cyril

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Master Geek
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  Reply # 277712 30-Nov-2009 10:06
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5223 Super Frame Errors from 5860 Super Frames. That can't be good?
http://www.kitz.co.uk/adsl/linestats_errors.htm

I went out and bought an XH9949 after reading Cyril's posts recommending them and it's going extremely well.

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  Reply # 277714 30-Nov-2009 10:12
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Yes a happy normal work DSL circuit has no or only 1 or 2 errors a day.

Cheers
Cyril



7 posts

Wannabe Geek


  Reply # 277825 30-Nov-2009 13:19
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Hi, cyril7

what modem option will be good with a WiFi connection (maybe with N as well) too?

Thanks

Canto

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  Reply # 278025 30-Nov-2009 19:38
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Hi, a Broadcom DSL chipset matched with a Atheros Wireless chip is a good option. But which ones do that is another thing. Check out TPlink gear, they all run Broadcom DSL but as to what wireless I am not too sure.

Another thing to remember about N wireless is that the draft is still that although pretty much settled, but there is a wide variety of capability from product to product depending on what MiMo setup it has that can effect its performance. Personally I would go with wired connections to streaming devices (ie NAS, main PCs, media servers/clients) and stay with 802.11g for basic wireless activity, ie laptops/netbook/PDA browsing and email etc.

http://www.ascent.co.nz/productspecification.aspx?ItemID=384105

http://www.ascent.co.nz/productspecification.aspx?ItemID=384106

If you are real serious about N wireless then just go with the basic wired XH9949 and match it up with one of the new ubnt N series APs, PM me if you want details.

Cheers
Cyril

41 posts

Geek


  Reply # 280174 7-Dec-2009 22:17
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cantokuo: Hi,

I am with orcon and my interent works normally until saturday last week, after ringing orcon and some testing I found out that i could only connect with ADSL 1 and ADSL 2 modulation and not ADSL 2+. I am using the modem that came with orcon RTA1320. My connection to my ADSL jack is a splitter so i dont use any filters.

ADSL 1 and ADSL 2 connects normally and can surf the internet however with ADSL 2+ modulation set i can connect and can ping with about 25% packet loss but i cant load webpages. However it will sometimes load the top of the page only.

Is anyone having a similar issue? Also any idea what the problem might be, they have tried a line test and found one of my phone was faulty but after removing that phone the problem still exists, also my adsl profile was tweeked around but even at the "safest" one for ADSL 2+ the problem is still the same. ASDL 2 and ADSL 1 works perfectly though.

Thanks

canto


Hi there I am new to this website and this is my first post but I thought I should reg and join.

Anyways to the point! I'm having this problem I had no internet for 2 weeks due to the fact that no one from orcon told me that I was now running on ADSL only not ADSL2+ and that their awesome SX763 known as the homehub failed to automatically switch to ADSL and didn't connect for 2 Fu*&@ weeks! I was pissed! I notice now I get slower uploading speeds and I have noticed a drop in ping with my games. It was due to their cabinisation they said it doesn't support adsl2+ . I noticed before hand I had 1200kb upload and now I can only obtain a max of 800kb. I used to get unstable webpages using adsl2+ while they were doing their cabinersitation process at first and then I lost connection etc etc



7 posts

Wannabe Geek


  Reply # 280225 8-Dec-2009 03:02
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Hi,

So i guess it was not just me having this problem, i only found out that adsl 1 worked because my really old modem worked so my friend tell me to try around with the modulation, yea adsl 2+ modems doesnt seem to switch to adsl 1 for you xD.

Thanks for the info about cabinersiation though, anyone know if they have plans to support adsl 2+ ?

btw the 800kb cap is the limit of ADSL 1 i belief

41 posts

Geek


  Reply # 280227 8-Dec-2009 04:30
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cantokuo: Hi,

So i guess it was not just me having this problem, i only found out that adsl 1 worked because my really old modem worked so my friend tell me to try around with the modulation, yea adsl 2+ modems doesnt seem to switch to adsl 1 for you xD.

Thanks for the info about cabinersiation though, anyone know if they have plans to support adsl 2+ ?

btw the 800kb cap is the limit of ADSL 1 i belief


Hello There,

Haha yeah the telecom man came over and tried his old modem and it worked me and him were both scratching our head wondering what the hell was going on! Then I call up orcon to find out that orcons homehub so called AUTOMATIC isn't so automatic after all. Pain in the as@! So I had to force it to adsl1

I think they are going to put adsl2+ into the cabinets I think I would love to know myself. I don't remember who I got it from I think I got it from the telecom website. I had experienced some bad customer service too from orcon while I was trying to find out the problem. I feel like I want to change back to telecom now. Funny how I think it was scott bartlet wanted to use an email I sent him I quoted it how I hated telecoms bad customer service and they sent flyers out 'Bowan From Weymouth' :(

And yeap I realised that the cap is due to adsl1 which hurts me alot :(

6021 posts

Uber Geek
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  Reply # 280232 8-Dec-2009 06:37
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Hi, all new Telecom Whisper cabinets are ADSL2+ and from around now VDSL2 also. The issue is that if you are on a cabinet but also a Orcon purple network connection then you suffer an issue commonly referred to as mid point injection interference. What this means is that your LLU purple connection is from an Orcon DSLAM at the exchange which may be quite distant from your location. If your line is then cabinetised then that cabinet will be quite close (<2km). Currently LLU vendors (Orcon and Voda) dont have DSLAMs in cabinets, so your signal from the exchange will be significantly degraded by the stronger signals coming from the cabinet. The only solution is to get off the LLU connection and back onto a Telecom Wholesale connection so your service comes from not via the cabinet. You will get much greater connection speeds by doing this.

Cyril



7 posts

Wannabe Geek


  Reply # 280386 8-Dec-2009 14:01
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Hi,

I belief its not just the orcon purple (no landline) option which has the problem, probably all orcon ADSL 2+ services are currently suffer from this "mid point injection interference" as i am on the silver plan.

Canto

41 posts

Geek


Reply # 280392 8-Dec-2009 14:26
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Hi,

Actually yes they will be suffering but I am too even though I am using telecoms cabinet now. At first but im confused from a couple of emails first im onto telecoms network now im onto orcons uba network??? What the hell is UBA? I know im on telecoms network. This is what the email said.

Dear Bowen, (I hate it when people spell my name wrong)

New broadband and telephone equipment has been installed in your area. This work has been carried out in order to shorten the length of the copper line that broadband and telephone services are delivered over. Unfortunately, as we have found after investigation you are now getting interference on your line which is causing slower speeds than normal. To rectify this we will move you off of our equipment in the exchange onto the new equipment in the local cabinet.

..

And then I get this

Hi Bowan,

Thank you for taking the time to email us at the Orcon helpdesk.

I understand you would like confirmation if you have been cabinetised and if that is the cause of your slow speeds.

I had a look at your account and I can see that our Tier 2 support have confirmed you have been cabinetised. We have placed an order to move you onto our UBA network so you can take advantage of the cabinet and experience faster broadband speeds.



So Im wondering when orcon will get adsl2+ into those cabinets? or fix this problem

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