Fluke DSP-2000, DSP-100 user manual Part of an Autotest Report for Twisted Pair

DSP-100/2000

Users Manual

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

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