(update) Loss of sync- Any reason you can see?
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(update) Loss of sync- Any reason you can see?
01-06-2010 11:44 AM
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BT speed tests as follows and DMT attached
Many thanks. Rob
31-05-10 13.30pm
Test1 comprises of Best Effort Test: -provides background information.
Download Speed
2339 Kbps
0 Kbps 7150 Kbps
Max Achievable Speed
Download speedachieved during the test was - 2339 Kbps
For your connection, the acceptable range of speeds is 600-7150 Kbps.
Additional Information:
Your DSL Connection Rate :3264 Kbps(DOWN-STREAM), 448 Kbps(UP-STREAM)
IP Profile for your line is - 2500 Kbps
22,23pm
Test1 comprises of Best Effort Test: -provides background information.
Download Speed
2328 Kbps
0 Kbps 7150 Kbps
Max Achievable Speed
Download speedachieved during the test was - 2328 Kbps
For your connection, the acceptable range of speeds is 600-7150 Kbps.
Additional Information:
Your DSL Connection Rate :3776 Kbps(DOWN-STREAM), 448 Kbps(UP-STREAM)
IP Profile for your line is - 2500 Kbps
01-06-10 08-15am
Download Speed
2149 Kbps
0 Kbps 7150 Kbps
Max Achievable Speed
Download speedachieved during the test was - 2149 Kbps
For your connection, the acceptable range of speeds is 600-7150 Kbps.
Additional Information:
Your DSL Connection Rate :3808 Kbps(DOWN-STREAM), 448 Kbps(UP-STREAM)
IP Profile for your line is - 2500 Kbps
netgear stats
Port Status TxPkts RxPkts Collisions Tx B/s Rx B/s Up Time
WAN PPPoA 4802 5979 0 185 1137 01:21:57
LAN 10M/100M 36810 58485 0 1726 14197 01:22:30
WLAN 11M/54M 54625 29201 0 14013 449 01:22:25
ADSL Link Downstream Upstream
Connection Speed 3360 kbps 448 kbps
Line Attenuation 25.0 db 14.5 db
Noise Margin 12.3 db 23.0 db
Re: Loss of sync- Any reason you can see?
01-06-2010 12:28 PM
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Quote The only unusual thing is my AM radio(s) are just total noise.
Not quite sure what you mean by that ?
The bit loading graph is not good for a 25db attenuation line.
Superusers are not staff, but they do have a direct line of communication into the business in order to raise issues, concerns and feedback from the community.
Re: Loss of sync- Any reason you can see?
01-06-2010 12:40 PM
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Rob
Re: Loss of sync- Any reason you can see?
01-06-2010 12:42 PM
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Quote from: worcswizzard I was wondering if there was a link between the loss of connection and low resync and the interferance- some sort of REIN problem.
Very likely.
Try to "go walkabout" and rotate the radio/antenna to see if you can pin it down.
Re: Loss of sync- Any reason you can see?
01-06-2010 12:56 PM
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Re: Loss of sync- Any reason you can see?
01-06-2010 2:38 PM
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Cheers, Rob
update. radio back but snr up ( see attached)
Re: Loss of sync- Any reason you can see?
01-06-2010 3:55 PM
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Rob
Re: Loss of sync- Any reason you can see?
01-06-2010 4:29 PM
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I assume you have rebooted your router
Re: Loss of sync- Any reason you can see?
01-06-2010 5:28 PM
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Quote Hi all (again) It would seem that my neighbours sky was causing the problem
Any chance of posting another DMT screenshot so we can take a look at the Bit loading plot now its sorted...
Superusers are not staff, but they do have a direct line of communication into the business in order to raise issues, concerns and feedback from the community.
Re: Loss of sync- Any reason you can see?
01-06-2010 5:38 PM
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I deceided to leave it for now and reboot the router tomorrow and see if BT raise my profile. What do you think?
Rob
Mr.W .DMT attached after forcing. This is how its been for months. Yonks ago one of your regular posters (anotherone?) helped me get my sync up and remarked that I had BBc transmitter nearby (Droitwich) How did he know that?
Rob
Re: Loss of sync- Any reason you can see?
01-06-2010 5:44 PM
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First - your IP profile will take about 3 days to improve
Second - the default noise margin will take several weeks to reduce.
If the default noise margin is indeed 18dB it might be worth asking for a retrain
Re: Loss of sync- Any reason you can see?
01-06-2010 6:05 PM
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OK. Just clicked the radio button at the top (ADSL mode) toADSLv1 and re-forced. I'd not clicked those before. SNR now low 9s, interleaving at 64/4.
Piccies attached
Rob
Re: Loss of sync- Any reason you can see?
01-06-2010 6:23 PM
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Interleaving was put on because of the fault and you would need to request that it be removed so that you can get back to 8128kbps
Re: Loss of sync- Any reason you can see?
01-06-2010 6:38 PM
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I'd be interested to know,as well, what would have happened if I had not been a radio user though. Would there have been anyway of discovering the answer to my loss of sync.
many thanks for the assistence of the forum'
Rob
Re: Loss of sync- Any reason you can see?
01-06-2010 6:42 PM
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Give BT's system something to notice, react to and correct.
Then once it's heading in the right direction ask for interleaving to be turned off.
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