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Old 25-11-2012, 19:08   #6
ferretuk
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Re: Inaccurate downstream power levels reported by SuperHub?

Quote:
Originally Posted by Sephiroth View Post
From what little I know of cable modems, could it be that the measurement point for input power is after the AGC (assuming the SH has one)?
Unlikely, given that the AGC is there to normalise the input to a known voltage.

<Speculation>

More likely a reading from the AGC/front end eq circuit that shows the adjustment needed and therefore allows the calculation of what the input level is.

</Speculation>
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