Belden 1887ENH - Halogen-free - Twin verion of 1885ENH ISTP Category 7 |
Description |
Shielded Twisted Pair Cable, 4 pairs x AWG 23. Solid bare cooper conductors, foam skin polyolefine insulated, pairs individualy shielded with Aluminium/Polyester foil, overall tinned copper braid, ripcord, flame retardant NH jacket. Colour code: see DataTwist® colour code table. Applicable industry standards: EN 50173, ISO/IEC 11801
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|
 |
Frequency (MHz) |
1 |
4 |
10 |
16 |
20 |
31.2 |
62.5 |
100 |
155 |
200 |
300 |
600 |
1000 |
Attenuation (dB/100m) |
max. (Cat.7) |
2.0 |
3.7 |
5.9 |
7.4 |
8.3 |
10.4 |
14.9 |
19.0 |
24.0 |
27.5 |
34.2 |
50.1 |
66.9 |
typical |
1.9 |
3.5 |
5.4 |
6.9 |
7.6 |
9.6 |
13.6 |
17.4 |
21.7 |
24.7 |
30.5 |
44.6 |
56.6 |
NEXT (dB) |
min. |
78 |
78 |
78 |
78 |
78 |
78 |
75 |
72 |
70 |
68 |
65 |
61 |
57 |
typical |
100 |
100 |
100 |
100 |
100 |
100 |
100 |
95 |
95 |
95 |
90 |
90 |
90 |
PS-NEXT (dB) |
min. |
75 |
75 |
75 |
75 |
75 |
75 |
72 |
69 |
67 |
65 |
62 |
58 |
54 |
typical |
98 |
98 |
98 |
98 |
98 |
98 |
98 |
93 |
93 |
93 |
88 |
88 |
88 |
PS-ELFEXT (dB) |
min. |
75 |
75 |
71 |
67 |
65 |
61 |
55 |
51 |
47 |
45 |
41 |
35 |
31 |
typical |
95 |
95 |
95 |
90 |
87 |
84 |
80 |
76 |
72 |
70 |
65 |
50 |
56 |
ACR (dB/100m) |
min. |
76.0 |
74.3 |
72.1 |
70.6 |
69.7 |
67.6 |
60.6 |
53.4 |
45.6 |
40.4 |
31.1 |
10.6 |
- |
typical |
98 |
97 |
95 |
93 |
92 |
90 |
86 |
78 |
73 |
70 |
60 |
45 |
33.4 |
PS-ACR (dB/100m) |
min. |
73.0 |
71.3 |
69.1 |
67.6 |
66.7 |
64.6 |
57.6 |
50.4 |
42.6 |
37.4 |
28.1 |
7.6 |
- |
typical |
96 |
95 |
93 |
91 |
90 |
88 |
84 |
76 |
71 |
68 |
58 |
43 |
31 |
RL (dB) |
min. |
20.0 |
23.0 |
25.0 |
25.0 |
25.0 |
23.6 |
21.5 |
20.1 |
18.8 |
18.0 |
16.8 |
14.7 |
13.1 |
typical |
26 |
30 |
35 |
35 |
35 |
34 |
32 |
31 |
29 |
29 |
28 |
28 |
20 |
|
Number of pairs: 4 |
Standard Colour: Grey |
Typical velocity of propagation (%) : 75 |
Max. DCR (Ohm/km) : 75 |
Nominal capacitance (pF/m) : 48 |
Diameter of insulated conductor (mm): 1.45 |
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|
Nominal overall diameter (mm): 8.0 |
Impedance (Ohm) : 1 - 100MHz: 100± 15% |
100 - 250MHz: 100± 22% |
250 - 600MHz: 100± 25% |
Enargy of flame (kJ/m): |
|
Single |
Twin |
ENH |
500 |
1000 |
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* Specification is subject to change without notice |