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What does SNR mean?

Been checking my router after a regrade on freedom2surf to 8mb and it has a SNR value of 3.0db. I think there is something wrong there but I'm not sure whether it should be high or low, anyone got an answer? Also I have an ATEN value of 22db down and 11db up. Anything wrong with that? Also lots of CRC values and HEC values.


thanks

J
0
levyuk
Asked:
levyuk
4 Solutions
 
Lee W, MVPTechnology and Business Process AdvisorCommented:
http://en.wikipedia.org/wiki/Signal-to-noise_ratio
In general, higher signal to noise is better; the signal is 'cleaner'.
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PaulCaswellCommented:
Hi levyuk,

SNR stands for Signal to Noise Ratio.
ATEN is short for attenuation.
CRC stands for Cyclic Redundancy Check
I have no idea what the heck is a HEC.

Paul
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publicCommented:
>SNR value of 3.0db
6 dB is considered a minimum acceptable value for stable service.
Have you also checked the line statistics connected directly to the NID box, and thus elimininating internal wiring problems?

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giltjrCommented:
A quick search for HEC show Hybrid Echo Cancellation.
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