Frequency domain reflectometry (fdr), Single end frequency response – EXFO CableSHARK P3 VF/DSL Cable Qualifier User Manual

Page 275

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CableSHARK P3 User Guide

263

length range:

10% to 25% of total cable length

Pulse width:

28 ns to 20 µs (auto-selected in Auto TDR test) 330 µs in Manual mode

Test signals:

Sine wave, Compensated Sine wave, Half-Sine wave, Square wave

Amplitude:

10 V p-p on cable, 20 V p-p open circuit

V.O.P.:

0.400 to 0.999 or 120 to 299 m/

μS

Distance

accuracy:

±

3 m (

±

9 ft) increments

±

1% of reading

Units:

Feet, meters, and nanoseconds

Horizontal

scale:

Automatic or 1000 ft (300 m), 2000 ft (600 m), 5000 ft (1500 m), 10,000 ft (3000

m),

20,000 ft (6000 m), 45,000 ft (13,500 m)


Frequency Domain Reflectometry (FDR)

As part of LoopMapper. Plot and numeric display of reflection with distance and phase angle. Includes
cursor and zoom.

Distance range:

100 ft up to 10,000 ft (30 m to 3000 m).

V.O.P.:

0.400 to 0.999 or 120 to 299 m/s

Distance accuracy:

For measurements below 2000 ft (655 m): ± 12 ft (± 4 m) increments ± 1% of reading

For measurements above 2000 ft (655 m): ± 58 ft (± 19 m) increments ± 1% of reading

Units:

Feet and meters

Horizontal scale:

Automatic

Type of fault to detect:

Automatic

Display of result:

Text, Graphic and circuit drawing with distances (when applicable)



Single End Frequency Response

Extrapolated result plot with cursor and zoom.

Distance

range:

300 ft to 16000 ft (100 m to 5000 m)

** range will depend on cable type and condition
** specifications based on 24 AWG (0.5 PE mm) cabling

Frequency

range:

Up to 2.2 MHz, optional 6 MHz support available

Frequency accuracy:

±

50 ppm

Accuracy:

±

1.0 dB typical

Resolution:

0.1 dB

Horizontal

scale:

ISDN 500 kHz, HDSL 1 MHz, ADSL 2.2 MHz, optional VDSL 6 MHz.

Vertical scale:

0 to +90 dB

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