abpeo
2001-04-14, 09:50 PM
Downstream Value
Frequency 573000000 Hz Locked
Signal to Noise Ratio 36 dB
QAM 64
Network Access Control Object ON
Power Level -3 dBmV
Upstream Value
Channel ID 5
Frequency 34992000 Hz Ranged
Ranging Service ID 7337
Symbol Rate 1.280 Msym/s
Power Level 45 dBmV
============
以上數值除頻率之外,算正常嗎?
各訊號的正常數值範圍又是多少?
謝謝。
贊助商連結
Frequency 573000000 Hz Locked
Signal to Noise Ratio 36 dB
QAM 64
Network Access Control Object ON
Power Level -3 dBmV
Upstream Value
Channel ID 5
Frequency 34992000 Hz Ranged
Ranging Service ID 7337
Symbol Rate 1.280 Msym/s
Power Level 45 dBmV
============
以上數值除頻率之外,算正常嗎?
各訊號的正常數值範圍又是多少?
謝謝。
贊助商連結