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dm007@dumei.cnDigital Communication Cables
Category: Data cable
Publish Time: 2010-04-03 15:03
This series of products are manufactured according to ISO/IEC11801,EIA/TIA-568-B and China YD/T1019, Furthermore,their performance,tested by China Inspect Center for Line Transmission of Mll,is superior to above standard,passed UL authentication. Excellent data transmitting performance,low delay time,low BER and excellent anti electromagnetic disturbance performance are achieved by delicate cable construction and using excellent material.
The series of cables are mainly used in ISDN system,ATM 155M ststem,ATAM622M system,horizontal cable and backbone cables in 1000base-T Ethernet.
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Construction |
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Item |
CAT 5 |
CAT 5e |
CAT 6 |
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|
Inner Conductor (mm) |
0.5 |
0.5 |
0.57 |
|
|
Dielectric (mm) |
1.3 |
1.3 |
1.3 |
|
|
Jacket（mm） |
6.3 |
6.3 |
7.5 |
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Electrical Characteristics |
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Impedance (Ω) |
100±15 |
100±15 |
100±15 |
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Capacitance(pF/100m) |
5.6 |
5.6 |
5 |
|
|
Ner Conductor DCR(Ohm/100m) |
9.5 |
9.5 |
6.58 |
|
|
Attenuation(20℃)(dB/100m)Max |
Frequency（MHz） |
CAT 5 |
CAT 5e |
CAT 6 |
|
1 |
2.0 |
2.0 |
1.9 |
|
|
4 |
4.1 |
4.1 |
3.7 |
|
|
10 |
6.5 |
6.5 |
5.9 |
|
|
31.25 |
11.7 |
11.7 |
10.6 |
|
|
62.5 |
17.0 |
17.0 |
15.4 |
|
|
100 |
22.0 |
22.0 |
19.8 |
|
|
200 |
/ |
/ |
29.0 |
|
|
250 |
/ |
/ |
32.8 |
|
|
Near End Crosstalk（dB/100m） |
1 |
62 |
65 |
74 |
|
4 |
53 |
56 |
65 |
|
|
10 |
47 |
50 |
59 |
|
|
31.25 |
40 |
43 |
52 |
|
|
62.5 |
35 |
38 |
47 |
|
|
100 |
32 |
35 |
44 |
|
|
200 |
/ |
/ |
40 |
|
|
250 |
/ |
/ |
38 |
|
|
Far End Crosstalk（dB/100m） |
1 |
61 |
64 |
68 |
|
4 |
49 |
52 |
56 |
|
|
10 |
41 |
44 |
48 |
|
|
31.25 |
31 |
34 |
38 |
|
|
62.5 |
25 |
28 |
32 |
|
|
100 |
21 |
24 |
28 |
|
|
200 |
/ |
/ |
22 |
|
|
250 |
/ |
/ |
20 |
|
|
Return Loss（dB/100m） |
1 |
23 |
20 |
20 |
|
4 |
23 |
23 |
23 |
|
|
10 |
23 |
25 |
25 |
|
|
31.25 |
21.1 |
24 |
24 |
|
|
62.5 |
18.1 |
22 |
22 |
|
|
100 |
16 |
20 |
20 |
|
|
200 |
/ |
/ |
18 |
|
|
250 |
/ |
/ |
17 |
|