Downstream Power: good +10 to -10, best being 0
Upstream Power: 0 - 50+, higher the better
Edit: these are mine.
Downstream
Freq/Power: 681.000 MHz 5 dBmV
Signal to Noise Ratio: 36 dB
Modulation: QAM256
Upstream
Freq/Power: 36.000 MHz 28 dBmV
Channel Type: DOCSIS 1.x (TDMA)
Symbol Rate: 2560 kSym/sec
Modulation: QAM16