Re: SH3 Power levels & T3 errors
Hi and welcome to the forum.
I suspect that there is a bad connection or intermittent bit of kit. When the SH was installed the tech fitted the 8db FPA to make the signal level correct. The sudden change of level overnight by 7db, possibly back to that which was present at installation time, is not correct.
Also your upstream channels are on QAM16 rather than QAM64 indicating a possible SNR (noise) problem which again could be a bad connection allowing external noise to enter the system as possibly evidenced by the T3 errors.
If you've checked all your internal cables for security you probably need a tech to visit and investigate.
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