Appendix C
Cable and Patch Cord Performance Requirements
C-3
Table C-4. Cat 6 Patch Cord Limits per ISO/IEC-11801-2002
Patch Cord Length and NEXT (dB)
Freq.
(MHz)
0.5m 1m 1.5m 2m 2.5m 3m 3.5m 4m 5m 7.5m 10m 15m 20m
RL
(dB)
1
65 65 65 65 65 65 65 65 65 65 65 65 65 19.8
4
65 65 65 65 65 65 65 65 65 65 65 65 65 21.6
8
65 65 65 65 65 65 65 65 65
64.85
64.13
63.1
62.41
22.5
10
65
65
65
65
65 64.98
64.69 64.42 63.95
63.01 62.32 61.34 60.68 22.8
16
62.92 62.44 62.02 61.65 61.31 61.01
60.73 60.48 60.03
59.15 58.51 57.63 57.06 23.4
20
61 60.53 60.11 59.75 59.42 59.12
58.85 58.6 58.17
57.32 56.71 55.88 55.36 23.7
25
59.08 58.62 58.21 57.85 57.53 57.24
56.98 56.74 56.32
55.5 54.92 54.15 53.68 24.0
31.25
57.16 56.71 56.31 55.96 55.64 55.36
55.11 54.87 54.47
53.69 53.15 52.44 52.01 23.1
62.5
51.22 50.79 50.42 50.1 49.82 49.57
49.34 49.14 48.79
48.16 47.73 47.24 46.99 20.0
100
47.2 46.81 46.47 46.17 45.92 45.69
45.49 45.32 45.02
44.5 44.18 43.85 43.72 18.0
125
45.3 44.92 44.6 44.32 44.08 43.87
43.69 43.53 43.26
42.8 42.53 42.28 42.2 17.0
200
41.32 40.98 40.69 40.46 40.25 40.08
39.94 39.81 39.61
39.29 39.14 39.05 39.06 15.0
250
39.44 39.12 38.86 38.64 38.46 38.31
38.18 38.08 37.91
37.67 37.57 37.55 37.58 14.0
