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| l3v1ck wrote: Google has failed me. How do you find out if your exchange is 21CN enabled? | |
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Try Sam Knows
| x404.co.uk http://www.x404.co.uk/forum/ |
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| ADSL 2/21 CN http://www.x404.co.uk/forum/viewtopic.php?f=4&t=6246 |
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| Author: | davrosG5 [ Fri Feb 12, 2010 7:54 pm ] |
| Post subject: | ADSL 2/21 CN |
So, anyone been transferred onto an ADSL 2+ connection delivered by BT's 21CN (i.e. not BE internet or LLU)? My telephone exchange is 21CN enabled and Zen will be offering to migrate my connection at some point. However, I can't say a lot of the forum posts on Zen's support forum and elsewhere fill me with a great deal of confidence that this will be a good thing. So, if you've got it did it improve or degrade you connection speed? |
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| Author: | saspro [ Fri Feb 12, 2010 8:44 pm ] |
| Post subject: | Re: ADSL 2/21 CN |
Everyone is being moved over. I've had 600+ customers move over with no problems. Should enable ADSL2+ to get to you as well. |
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| Author: | JJW009 [ Sun Feb 14, 2010 8:30 pm ] |
| Post subject: | Re: ADSL 2/21 CN |
Depending on your exchange, you may find the 21CN network is more contended. In other words, you may get a faster connection but slower real-world performance at peak times. However, you have no choice in the long term. 20CN is going to be switched off, ripped out and recycled into burgers or something. |
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| Author: | l3v1ck [ Wed Feb 17, 2010 8:20 pm ] |
| Post subject: | Re: ADSL 2/21 CN |
Google has failed me. How do you find out if your exchange is 21CN enabled? |
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| Author: | davrosG5 [ Wed Feb 17, 2010 9:35 pm ] | |||||||||
| Post subject: | Re: ADSL 2/21 CN | |||||||||
Try Sam Knows |
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| Author: | l3v1ck [ Wed Feb 17, 2010 11:35 pm ] |
| Post subject: | Re: ADSL 2/21 CN |
Thanks for the link. No 21CN for me. |
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| Author: | AlunD [ Thu Feb 18, 2010 8:13 am ] |
| Post subject: | Re: ADSL 2/21 CN |
I've got it and iots made no difference ........... 
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| Author: | davrosG5 [ Thu Jun 24, 2010 12:01 pm ] |
| Post subject: | Re: ADSL 2/21 CN |
Well, I eventually got 21CN and ADSL2+. What a massive pile of fail. 20CN ADSL Max - 6 - 6.5 Mbps download 21CN ADSL2+ - 5 - 5.5 Mbps download Thats after the training period as well as far as I can tell so that's the best speed the system thinks I can have. There was me thinking that as I was getting fairly close to the best you could get on ADSL Max I see some sort of improvement in speed on ADSL2+. How wrong was I. |
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| Author: | JJW009 [ Thu Jun 24, 2010 6:31 pm ] | ||||||||||||||||||
| Post subject: | Re: ADSL 2/21 CN | ||||||||||||||||||
What speed are / were you actually synced at?
If you're synced faster than 5.5Mbps, then do a speed test again at 3am. At least, don't bother doing a speed test when the football is on because that's a really bad time for contention. It's also important that your router is ADSL 2+ compatible. Anything less than two years old should be fine, but you can check the model number. |
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| Author: | davrosG5 [ Thu Jun 24, 2010 8:11 pm ] |
| Post subject: | Re: ADSL 2/21 CN |
I'm using a Thomson 585v7 router which is my ISP's (Zen) current ADSL 2+ router, firmware version 7.4.2.6. Current sync rate is 6655 Kbps (router) with a BRAS profile of 5500 Kbps. Since the regrade (middle of May) the sync rate has varied between 6240 - 8128 Kbps. I would assume I was out of the line training period by now. I tend to run the thinkbroadband speed tester at various times when I'm at home from early morning (7am) to late evening (11pm) when I can be bothered. |
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| Author: | l3v1ck [ Sat Jul 10, 2010 4:01 am ] |
| Post subject: | Re: ADSL 2/21 CN |
What's the difference between ADSL and ADSL max? |
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| Author: | davrosG5 [ Sat Jul 10, 2010 6:49 am ] | |||||||||
| Post subject: | Re: ADSL 2/21 CN | |||||||||
My understanding is the the original ADSL was the fixed rate service (i.e. 512 Kb/sec, 1024 Kb/sec, 2048 Kb/sec). You paid your money and got, generally speaking, exactly the sync rate you had paid for. ADSL Max is the up to 8Mb/sec service that is rate adaptive so your speed depends on how far you are from the telephone exchange (it did on ADSL as well but you generally wouldn't even be offered the higher speeds if you line couldn't support them). |
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| Author: | Nick [ Sat Jul 10, 2010 12:35 pm ] |
| Post subject: | Re: ADSL 2/21 CN |
Virgin cable ftw. |
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| Author: | Amnesia10 [ Sat Jul 10, 2010 12:51 pm ] | |||||||||
| Post subject: | Re: ADSL 2/21 CN | |||||||||
Yes the cable speeds are great if it were not for the caps. |
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| Author: | pcernie [ Sat Jul 10, 2010 2:23 pm ] | |||||||||
| Post subject: | Re: ADSL 2/21 CN | |||||||||
I actually get a more stable service, much better download speed, and no obvious caps bar going mental with O2 than I ever did with VM. Who were useless cnuts. And still are (I stopped paying them and, er, they gave me my dad's email address in place of my own. WTF?!) 
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