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Standard User deleted
(deleted) Mon 10-Jul-17 15:04:45
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Re: noise margin values?


[re: robertcrowther] [link to this post]
 
What evidence do you have to show that's not due to a power cut and that user being one of the first to sync?
Standard User j0hn83
(committed) Mon 10-Jul-17 15:10:59
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Re: noise margin values?


[re: robertcrowther] [link to this post]
 
The current SNRM being 3dB can be caused by many various factors, and does not mean it's a target SNR.

I would politely suggest you are the one assuming things smile
I can see I'm peeing into the wind here...
Standard User robertcrowther
(member) Mon 10-Jul-17 15:12:13
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Re: noise margin values?


[re: deleted] [link to this post]
 
In reply to a post by lee111s:
What evidence do you have to show that's not due to a power cut and that user being one of the first to sync?


because with that connection the smarthub reboots every 14 days and it's gone through 2 re-boot cycles already and in a few days it will go through another one and I'm 100% sure it will still be at 3dB


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Standard User Zarjaz
(eat-sleep-adslguide) Mon 10-Jul-17 17:01:33
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Re: noise margin values?


[re: robertcrowther] [link to this post]
 
So what did it sync at prior to the 3 db target ? If at 80,000 Kbps already then DLM will do diddly

DSL uptime:
14 Days, 9 Hours 21 Minutes 13 Seconds
Data rate:
20.00 kbps / 80.00 kbps
Maximum data rate:
19999 / 104159
Noise margin:
22.8 / 12.8
Line attenuation:
10
Signal attenuation:
VPI / VCI:
0/38
Modulation:
G_993_2_ANNEX_B
Latency type:
Fast Path
Data sent / received:

This is on an ECI cab also.

Standard User robertcrowther
(member) Mon 10-Jul-17 17:17:23
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Re: noise margin values?


[re: Zarjaz] [link to this post]
 
prior to the change to 3db this was the line stats for that line and as you can see it has made a difference to the sync speed

https://postimg.org/image/bbcmkzaob/
Standard User Zarjaz
(eat-sleep-adslguide) Mon 10-Jul-17 17:27:42
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Re: noise margin values?


[re: robertcrowther] [link to this post]
 
73 meg at 14db attenuation ?

Heavy cross talk, a fault on the pair, or everyones favourite, a duff set up.







[edit for typo]

Edited by Zarjaz (Mon 10-Jul-17 17:28:57)

Standard User robertcrowther
(member) Mon 10-Jul-17 17:39:37
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Re: noise margin values?


[re: Zarjaz] [link to this post]
 
heavy cross talk as it was a perfect 80meg connection when the cabinet was new, but as lines got connected to the cabinet the connection speed dropped, but it's good that it's back to full speed again
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