用途: 網絡通訊纜用于高頻數據網絡傳輸
結構: 裸銅線導體,
聚乙烯(PE)絕緣,
麥拉鋁箔帶整體遮蔽,
聚氯乙烯(PVC)或低煙無毒外被覆
標準: 符合ANSI/TIA-568.2-D標準CAT.5E等級
|
項 目 |
特 性 |
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|---|---|---|---|---|
|
特性阻抗 ( 1 – 100 MHz) |
100±15Ω |
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|
導體電阻(20℃) |
9.38 Ω Per 100M (328 ft) |
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|
電阻不平衡(20℃) |
Max. 5% |
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|
絕緣電阻(20℃) |
1500 MΩ-Km DC 500V (芯線對大地間) |
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|
絕緣耐壓 |
DC 500V / 1min. or AC 350 V / 1min. |
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|
工作電壓 |
網路傳輸 |
3V |
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|
乙太網路供電 |
57V |
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|
互感電容(1KHz) |
Max. 5.6 nF Per 100M (328 ft) |
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|
電容不平衡(1KHz) |
330 pF Per 100M (328 ft)(每對線對地) |
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|
Delay Skew |
Max. 45 ns Per 100M (328 ft) |
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|
Frequency |
Insertion Loss (dB/100m) Max. |
Frequency |
Insertion Loss (dB/100m) Max. |
|
|
0.772MHz |
1.8 |
20 MHz |
9.3 |
|
|
1 MHz |
2.0 |
25 MHz |
10.4 |
|
|
4 MHz |
4.1 |
31.25 MHz |
11.7 |
|
|
8 MHz |
5.8 |
62.5 MHz |
17.0 |
|
|
10 MHz |
6.5 |
100 MHz |
22.0 |
|
|
16 MHz |
8.2 |
— |
— |
|
|
Propagation Delay |
0.772MHz |
— |
||
|
1≦f＜100MHz |
534 + 36/√f (f：MHz) |
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|
Frequency |
NEXT (dB/100m) Min. |
PSNEXT (dB/100m) Min. |
ELFXT (dB/100m) Min. |
PSELFXT (dB/100m) Min. |
|
0.772MHz |
67.0 |
64.0 |
— |
— |
|
1 MHz |
65.3 |
62.3 |
63.8 |
60.8 |
|
4 MHz |
56.3 |
53.3 |
51.7 |
48.7 |
|
8 MHz |
51.8 |
48.8 |
45.7 |
42.7 |
|
10 MHz |
50.3 |
47.3 |
43.8 |
40.8 |
|
16 MHz |
47.3 |
44.4 |
39.7 |
36.7 |
|
20 MHz |
45.8 |
42.8 |
37.7 |
34.7 |
|
25 MHz |
44.3 |
41.3 |
35.8 |
32.8 |
|
31.25 MHz |
42.9 |
39.9 |
33.9 |
30.9 |
|
62.5 MHz |
36.4 |
35.4 |
27.8 |
24.6 |
|
100 MHz |
35.3 |
32.3 |
23.8 |
20.8 |
|
Return Loss (dB/100m) |
1≦f＜10MHz |
RL≧20+5.0 log(f) |
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|
10≦f＜20MHz |
RL≧25 |
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|
20≦f＜100MHz |
RL≧25-7.0 log(f/20) |
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