Fluke CableAnalyzer DSP-4000 Series, Руководство пользователя

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DSP-4000 Series
Users Manual
8-14
Worst Case Measurement Accuracy
Worst case measurement accuracy based on TIA and IEC draft requirements is
summarized in Table 8-4. The measured values are based on draft TIA/EIA Cat 6
and ISO/IEC Class E Channel pass/fail limits.
Table 8-4. Worst Case Measurement Accuracy
100MHz 250MHz
Parameter
Link
Configuration Accuracy
At
Measured
Value Accuracy
At
Measured
Value
Baseline/Basic Link ± 1.2 dB 21.0 dB ± 1.8 36.0 dB
Permanent Link ± 1.3 dB 21.0 dB ± 2.1 dB 36.0 dB
Attenuation
(Insertion
Loss)
Channel ± 1.4 dB 21.0 dB ± 2.5 dB 36.0 dB
Baseline/Basic Link ± 1.7 dB 39.9 dB ± 2.6 dB 33.1 dB
Permanent Link ± 1.9 dB 39.9 dB ± 3.1 dB 33.1 dB
NEXT Loss
Channel ± 2.0 dB 39.9 dB ± 3.5 dB 33.1 dB
Baseline/Basic Link ± 1.8 dB 37.1 dB ± 3.2 dB 30.2 dB
Permanent Link ± 2.0 dB 37.1 dB ± 3.2 dB 30.2 dB
Power Sum
NEXT Loss
(PSNEXT)
Channel ± 2.1 dB 37.1 dB ± 3.5 dB 30.2 dB
Baseline/Basic Link ± 2.0 dB 23.3 dB ± 3.5 dB 15.3 dB
Permanent Link ± 2.2 dB 23.3 dB ± 4.1 dB 15.3 dB
ELFEXT
Channel ± 3.4 dB 23.3 dB ± 5.0 dB 15.3 dB
Baseline/Basic Link ± 2.0 dB 20.3 dB ± 3.7 dB 12.3 dB
Permanent Link ± 2.3 dB 20.3 dB ± 4.2 dB 12.3 dB
Power Sum
ELFEXT
(PSELFEXT)
Channel ± 3.7 dB 20.3 dB ± 5.3 dB 12.3 dB
Baseline/Basic Link ± 2.4 dB 12.0 dB ± 2.2 dB 8.0 dB
Permanent Link ± 3.0 dB 12.0 dB ± 3.9 dB 8.0 dB
Return Loss
Channel ± 2.8 dB 12.0 dB ± 3.8 dB 8.0 dB