|
|
|
|
塑料绝缘线安全载流量
|
|
|
|
|
|
发布时间:2011.02.19 新闻来源:特种电缆 浏览次数: |
|
对数 No.of Pairs |
导线直径 Conductor dimension mm |
绝缘线径 Core Dimension mm |
结构 Construction |
屏蔽 Shielding |
护层直径 Nom O.D. mm |
4 |
0.51 |
0.91 |
UTP 非屏蔽 |
- |
5.1 |
25 |
0.51 |
0.91 |
UTP 非屏蔽 |
- |
12.5 |
4 |
0.53 |
1.00 |
STP 屏蔽 |
铝箔 |
6.3 |
4 |
0.53 |
1.00 |
STP 屏蔽 |
铝箔+编织 |
6.3 |
电性能 Electrical Characteristis |
频率 Frequency MHz |
衰减 max Attenuation dB/100m |
回波损耗 min Echo Loss dB |
近端串音 min Next Worst Pair dB |
远端串音 min Worst Pair dB/100m |
1 |
2.0 |
20.0 |
62 |
61 |
4 |
4.1 |
23.0 |
53 |
49 |
10 |
6.5 |
25.0 |
47 |
41 |
16 |
8.2 |
25.0 |
44 |
37 |
20 |
9.3 |
25.0 |
42 |
35 |
31.25 |
11.7 |
23.6 |
40 |
31 |
62.5 |
17.0 |
21.5 |
35 |
25 |
100 |
22.0 |
20.1 |
32 |
21 |
特性阻抗:Characteristic impedance 100±15Ω
关于5类电缆的标准:
ANSI/TIA/EIA-568A IEC61156-1994 ISO/IEC 11801(2nd edition) CENELEC EN50173(2nd edition) ANSI/NEMA WC63.1-1996 YD/T838-1996 |
本文共分 1 页
|
|
|
|
|