I had my cable lines replaced from the curb to the modem out a year ago. I noticed the power level has dropping since then.
Power Level: Signal to Noise Ratio:
Channel 1: -13.9 dBmV 34.0 dB
Channel 2: -13.6 dBmV 34.1 dB
Channel 3: -13.2 dBmV 34.1 dB
Channel 4: -13.2 dBmV 34.1 dB
Channel 5: 0.0 dBmV 0.0 dB
Channel 6: 0.0 dBmV 0.0 dB
Channel 7: 0.0 dBmV 0.0 dB
Channel 8: 0.0 dBmV 0.0 dB
Upstream Channels
Power Level:
Channel 1: 48.5 dBmV
Channel 2: 0.0 dBmV
Channel 3: 0.0 dBmV
Channel 4: 0.0 dBmV
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