Fluke DTX-PCU6S, Руководство пользователя

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DTX-PCU6S Patch Cord Adapters
Users Manual
C-2
Table C-2. Cat 6 Patch Cord Limits per TIA/EIA-568-B
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 65 64.79 63.77 63.06 22.5
10 65 65 65 65 65 65 65 64.91 64.48 63.6 62.93 61.95 61.26 22.8
16 63.03 62.64 62.28 61.96 61.66 61.4 61.15 60.92 60.5 59.67 59.04 58.14 57.53 23.4
20 61.11 60.72 60.37 60.05 59.76 59.5 59.25 59.03 58.63 57.82 57.21 56.35 55.78 23.7
25 59.19 58.8 58.46 58.14 57.86 57.6 57.37 57.15 56.75 55.97 55.39 54.58 54.06 24.0
31.25 57.26 56.89 56.55 56.24 55.97 55.71 55.48 55.27 54.89 54.14 53.58 52.83 52.35 23.1
62.5 51.31 50.96 50.64 50.36 50.11 49.88 49.67 49.49 49.15 48.52 48.07 47.5 47.18 20.0
100 47.29 46.96 46.67 46.41 46.18 45.97 45.79 45.62 45.33 44.79 44.43 44.02 43.82 18.0
125 45.39 45.07 44.79 44.54 44.33 44.13 43.96 43.8 43.53 43.05 42.74 42.4 42.26 17.0
200 41.4 41.11 40.86 40.65 40.46 40.3 40.15 40.03 39.81 39.46 39.26 39.08 39.05 15.0
250 39.51 39.24 39.01 38.82 38.65 38.5 38.37 38.26 38.08 37.79 37.64 37.55 37.55 14.0
Note
Patch cord performance requirements for CENELEC standards (CLC limits)
are equivalent to those for ISO/IEC standards, except that CENELEC
standards have no requirement for return loss below 4 MHz.
Table C-3. Cat 5e 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 65.0 65.0 65.0 65.0 65.0 65.0 65.0 65.0 65.0 65.0 65.0 65.0 65.0 19.8
4 65.0 65.0 65.0 65.0 65.0 65.0 64.6 64.3 63.7 62.4 61.6 60.3 59.5 21.6
8 62.1 61.3 60.7 60.2 59.7 59.3 58.9 58.5 58.0 56.8 56.0 54.9 54.1 22.5
10 60.2 59.4 58.8 58.3 57.8 57.4 57.0 56.7 56.1 55.0 54.2 53.1 52.4 22.8
16 56.2 55.4 54.8 54.3 53.8 53.4 53.1 52.8 52.2 51.2 50.4 49.5 48.8 23.4
20 54.2 53.5 52.9 52.4 52.0 51.6 51.2 50.9 50.4 49.4 48.7 47.7 47.2 23.7
25 52.3 51.6 51.0 50.5 50.1 49.7 49.4 49.1 48.5 47.6 46.9 46.0 45.5 24.0
31.25 50.4 49.7 49.1 48.6 48.2 47.8 47.5 47.2 46.7 45.8 45.1 44.3 43.9 23.1
62.5 44.5 43.9 43.3 42.9 42.5 42.1 41.8 41.6 41.1 40.3 39.8 39.3 39.0 20.0
100 40.6 39.9 39.4 39.0 38.6 38.3 38.0 37.8 37.4 36.8 36.4 36.0 35.8 18.0
125 38.7 38.1 37.6 37.2 36.8 36.5 36.3 36.1 35.7 35.1 34.8 34.5 34.4 17.0
200 34.8 34.2 33.7 33.4 33.1 32.8 32.6 32.4 32.2 31.7 31.5 31.4 31.4 15.0
250 32.9 32.4 32.0 31.6 31.3 31.1 30.9 30.8 30.5 30.2 30.0 30.0 30.0 14.0