DSP-4000 Series
Users Manual
8-18
HDTDX
Analyzer Specifications for Cables <100 m (328 ft)
The following performance is typical for cables less than 100 m (328 ft):
Distance accuracy: ±(1 ft (0.3 m) + 2 % distance)
Distance resolution: 1 ft or 0.1 m
HDTDR
Specifications for Cables <100 m (328 ft)
The specifications below are for HDTDR tests on cables less than 100 m (328 ft)
long.
Twisted Pair Cable Coaxial Cable
Distance accuracy ±(1 ft (0.3 m) + 2 % distance) ±(1 ft (0.3 m) + 2 % distance)
Distance resolution 1 ft or 0.1 m 1 ft or 0.1 m
Impulse Noise
Adjustable from 10 mV to 500 mV in 10 mV steps. The default threshold is
270 mV.
Monitors either polarity of noise on pair 3, 6.
Minimum detectable impulse width: 10 ns
Characteristic Impedance
The test tool reports an estimate of the cable's impedance at 4 m from the
beginning of the link. The accuracy of the measurement is relative to a 100 Ω
terminating resistance.
Twisted Pair Cable Coaxial Cable
Range 70 Ω - 180 Ω 35 Ω - 100 Ω
Accuracy ± (5 Ω + 5 %Nominal - Measured)± (5 Ω + 5 %Nominal - Measured)
Anomaly Threshold 15 % Reflection 10 % Reflection
Resolution 1 Ω 1 Ω
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