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Modem Levels

Your levels were good before you ran those lines. If your ustream went from a 36 to a 26, chances are your downstream went from a 9 to a 19.

That downstream power is a little hot, and your upstream power is low. With it that low, the headend could have trouble deciphering your modems signal from the noise.

I would hook it back up the old way.
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Dream as if you'll live forever, live as if you'll die today.

Disclaimer: These are MY comments, my employer cant be held responsible.

I separated my lines; one for cable modem directly to the cable box outside, the other a direct line to an HD satellite dish. I thought it would be better to have a direct line from the cable box to the modem without any splits? Also, I did that since DirecTV said they could not do HD with a diplexer to separate sat and cable. Tonight, my downstream is 22dBmV. Could it be anything in the outside box or on Metrocast end?

reply to DM31
Well, if you have no splits or anything, that is pretty normal. Splits lower your downstream / raise your upstream. The levels coming from the line are high like what your seeing to make up for splits/line loss in the house.
--
Dream as if you'll live forever, live as if you'll die today.

Disclaimer: These are MY comments, my employer cant be held responsible.

So, nothing to worry about or call a tech out for?

reply to DM31
I have the same setup in my house. The cable internet comes into the basement and I have it going to the cable modem directly. DirecTv comes into the house and into a SWM which splits the DirectTv so I only need one coax connection instead of two.