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Drez_19's avatar
Drez_19
Aspirant
Mar 05, 2019

High Uncorrectables lower channel

Two xfinity calls and 4 new coaxial cables later I'm still having issues with downstream power ramping up and lowest channel uncorrectables. My DS varies from +5 - +9 and the lowest channel is always lower SNR and within hours has 2-4x more uncorrectables than corrected. Is this normal behavior?

Comcast says everything is within specs but earlier my higher channels hit +10 and higher DS power. I ordered some -3 and -6 attenuators but not sure if they will help.

To wrap up is this something that can be fixed by:

1. Adding an attenuator to lower power
2. Changing starting frequency to next channel that seems to be fine
3. Give up and pay for tech visit

Any suggestions welcome