NEXT
Mide la diafonía entre un par transmisor y un par adyacente del mismo cable.
NEXT (peor valor para a par).
ANSI/EAI/TIA
Categoría 3
ANSI/TIA/EIA568/TSB67 ANSI/TIA/EIA568/TSB67/95ANSI/TIA/EIA568/TSB67/95
Frecuencia
(MHz/dB)
Perm.
Canal
1.00
40.10
39.10
4.00
30.70
29.30
8.00
25.90
24.30
10.00
24.30
22.70
16.00
21.00
19.30
20.00
25.00
31.25
62.50
100.00
200.00
250.00
ISO/AS/NZS
Frecuencia
ISO Clase-C
(MHz/dB)
Permanent
Canal
1.00
40.10
39.10
4.00
30.70
29.30
8.00
25.90
24.30
10.00
24.30
22.70
16.00
21.00
19.30
20.00
25.00
31.25
62.50
100.00
155.52
250.00
C-3
Categoría 5
Perm.
Canal
Perm.
61.30
60.30
60.00
51.80
50.60
54.80
47.10
45.60
50.00
45.50
44.00
48.50
42.30
40.60
45.20
40.70
39.00
43.70
39.10
37.40
42.10
37.60
35.70
40.60
32.70
30.60
35.70
29.30
27.10
32.30
ISO Clase-D 11801
AS/NZS 3080
Permanent
Canal
Permanent Canal
54.00
54.00
60.00
45.00
45.00
54.80
41.00
41.00
50.00
39.00
39.00
48.50
36.00
36.00
45.20
35.00
35.00
43.70
33.60
33.60
42.10
32.00
32.00
40.50
27.00
27.00
35.70
24.00
24.00
32.30
Métodos de medición y límites
Categoría 5e
Cat 6 (borrador 9)
ANSI/TIA/EIA568
Canal
Perm.
60.00
60.00
53.60
60.00
48.60
-
47.00
-
43.60
54.60
42.00
53.00
40.40
51.50
38.70
50.00
33.60
45.20
30.10
41.80
36.90
35.30
Propuesta
ISO Clase-D
ISO Clase-E
Permanent
60.00
65.00
53.50
64.10
48.60
59.40
47.00
57.80
43.60
54.60
53.10
42.00
40.30
51.50
38.70
50.00
33.60
45.10
30.10
41.80
38.70
35.30
Apéndice C
Canal
60.00
60.00
-
-
53.20
51.60
50.00
48.50
43.40
39.90
34.80
33.10
Canal
65.00
63.00
58.20
56.60
53.20
51.60
50.00
48.40
43.40
39.90
36.70
33.10