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DSP-100/2000
Users Manual
3-26
The result printed on a report summary can be a pass or fail, or warning. A failure
of any test required by the selected test standard produces a fail result on the
report summary. A warning appears on reports for twisted pair cable if a length,
impedance, propagation delay, or delay skew test produced a warning. The table
in Appendix C shows which test standards can produce a warning result for these
tests.
Mukilteo Cable Co. Test Summary: FAIL
SITE: Westshore Business Park Cable ID: Bldg7Rm9Cbl3
OPERATOR: Kim Nguyen Date / Time: 01/07/97 10:01:05am
NVP: 69.0% FAULT ANOMALY THRESHOLD: 15% Test Standard: TIA Cat 5 Channel
FLUKE DSP-2000 S/N: 6680915 Cable Type: UTP 100 Ohm Cat 5
HEADROOM: -20.4 Software Version: 3.29
Standards Version: 3.06
Wire Map FAIL Result RJ45 PIN: 1 2 3 4 5 6 7 8 S
Split pairs detected: 1,2-3,6 | | | | | | | |
Patch Cable BAD or Patch Cable too short RJ45 PIN: 1 2 3 4 5 6 7 8
Pair 1,2 3,6 4,5 7,8
Impedance (ohms), Limit 80-120 107 105 W 106 108
Anomaly (ft) 71
Length (ft), Limit 328 75 77 74 74
Prop. Delay (ns) 110 113 109 109
Delay Skew (ns), Limit 50 1 4 0 0
Resistance (ohms) 4.6 4.9 4.9 4.6
Attenuation (dB) 5.1 6.7 5.2 4.9
Limit (dB) 24.0 22.5 24.0 24.0
Margin (dB) 18.9 15.8 18.8 19.1
Frequency (MHz) 100.0 88.3 100.0 100.0
Pairs 1,2-3,6 1,2-4,5 1,2-7,8 3,6-4,5 3,6-7,8 4,5-7,8
NEXT (dB) 36.6 F 43.5*F 40.2 26.1 F 31.8 F 50.1*F
Limit (dB) 49.2 44.6 34.9 46.5 45.6 50.8
Margin (dB) -12.6 -1.1 5.3 -20.4 -13.8 -.7
Frequency (MHz) 4.9 9.3 35.4 7.1 8.1 3.9
* Measurement is within the accuracy limits of the instrument.
gc16f.eps
Figure 3-9. Part of an Autotest Report for Twisted Pair