麻烦懂的人帮我看看,帮我解释一下,好吗???
Wire Map PASS Result RJ45 PIN: 1 2 3 4 5 6 7 8 S
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RJ45 PIN: 1 2 3 4 5 6 7 8
Pair 1,2 3,6 4,5 7,8
Impedance (ohms), Limit 80-120 103 104 105 103
Length (m), Limit 94.0 23.6 23.2 23.2 22.8
Prop. Delay (ns) 114 112 112 110
Delay Skew (ns), Limit 50 4 2 2 0
Resistance (ohms) 4.4 4.5 4.6 4.5
Attenuation(dB) 5.1 5.1 5.0 5.0
Limit (dB) 21.6 21.6 21.6 21.6
Margin (dB) 16.5 16.5 16.6 16.6
Frequency (MHz) 99.7 100.0 100.0 100.0
Pairs 1,2-3,6 1,2-4,5 1,2-7,8 3,6-4,5 3,6-7,8 4,5-7,8
NEXT(dB) 47.6 59.2 48.7 48.0 55.4 57.4
Limit (dB) 33.1 48.3 32.4 38.3 40.9 43.8
Margin (dB) 14.5 10.9 16.3 9.7 14.5 13.6
Frequency (MHz) 59.3 6.7 65.4 28.5 19.5 12.9
NEXT @ Remote 58.9 39.5 48.3 38.5 42.1 45.2
Limit (dB) 46.6 31.9 34.1 30.0 29.4 34.7
Margin (dB) 12.3 7.6 14.2 8.5 12.7 10.5
Frequency (MHz) 8.6 70.1 51.6 92.0 98.5 47.4 |