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滁州市所在地
FTP 六类4对多股绞合线屏蔽数据电缆结构:多股镀锡软铜线,聚乙烯(HDPE)绝缘,两根绝缘导体对绞,聚氯乙烯、阻燃PVC或低烟无卤
特性阻抗:250Ω
FTP 六类4对多股绞合线屏蔽数据电缆性能
频率 (MHz) | 特性阻抗 (ohm) | 回波损耗 (db) | 衰减 (db/100m) | 近端串音 (db/100m) | 等效远端串音 (db/100m) |
0.772 | 100±15 | 19.4 | 2.8 | 76.0 | 70.2 |
1.0 | 20.0 | 3.0 | 74.3 | 68.0 | |
4.0 | 23.0 | 5.7 | 65.3 | 56.0 | |
8.0 | 24.5 | 8.0 | 60.8 | 49.9 | |
10.0 | 25.0 | 9.0 | 59.3 | 48.0 | |
16.0 | 25.0 | 11.4 | 56.2 | 43.9 | |
20.0 | 25.0 | 12.8 | 54.8 | 42.0 | |
| | | | | |
25.0 | 24.3 | 14.3 | 53.3 | 40.0 | |
31.25 | 23.6 | 16.1 | 51.9 | 38.1 | |
62.5 | 21.5 | 23.2 | 47.4 | 32.1 | |
100.0 | 20.1 | 29.9 | 44.3 | 28.0 | |
200.0 | 18.0 | 43.7 | 39.8 | 22.0 | |
250.0 | 17.3 | 55.3 | 38.3 | 20.0 |