五類(lèi)4對(duì)屏蔽室外雙絞線(xiàn)
技術(shù)指標(biāo)
檢測(cè)項(xiàng)目 | 檢測(cè)結(jié)果 |
延遲 ( ns / m ) | 5.02 |
阻抗 ( Ohm ) | 107 - 111 |
回程損耗 ( dB ) | 26.0 |
衰減 ( dB / 100 m ) | 1.9 ( 1.0 MHz ) |
3.8 ( 4.0 MHz ) | |
5.5 ( 8.0 MHz ) | |
6.2 ( 10.0 MHz ) | |
7.9 ( 16.0 MHz ) | |
8.8 ( 20.0 MHz ) | |
9.8 ( 25.0 MHz ) | |
11.0 ( 31.25 MHz ) | |
16.0 ( 62..5 MHz ) | |
21.0 ( 100 MHz ) | |
近端串?dāng)_ ( dB ) | 65 ( 1.0 MHz ) |
64 ( 4.0 MHz ) | |
53 ( 8.0 MHz ) | |
56 ( 10.0 MHz ) | |
58 ( 16.0 MHz ) | |
52 ( 20.0 MHz ) | |
54 ( 25.0 MHz ) | |
48 ( 31.25 MHz ) | |
46 ( 62.5 MHz ) | |
44 ( 100 MHz ) |