Is this signal level optimal for cable modem to operate correctly? (EuroDocsis 3.0)
Downstream Channels
Power Level: Signal to Noise Ratio:
Channel 1: 10.6 dBmV 41.9 dB
Channel 2: 11.1 dBmV 41.9 dB
Channel 3: 10.2 dBmV 42.1 dB
Channel 4: 10.3 dBmV 42.1 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: 0.0 dBmV
Channel 2: 0.0 dBmV
Channel 3: 27.0 dBmV
Channel 4: 28.8 dBmV
Ideal receive levels at the modem are 0 dB, upstream should be ideally at 45-48 dB
So for an ideal signal level you need 10-11 db Attenuation on your downstream and 18-20 on your upstream
throw at least a 10 dB, preferably a 15 db pad on there and you will be in business.