EXFO FTB-635 Guia Del Usuario página 417

COPPER SPECIFICATIONS
Single-ended frequency response (attenuation)
Resistive fault location (RFL)
NOTES
a. Subject to change without notice.
b. Typical, at 23 °C ± 3 °C, on batteries, with no USB connection.
c. Specifications based on 24 AWG (PE 0.5 mm) cabling.
d. Specification based on 1 kft 24 AWG cabling. Range depends on cable type and condition.
Pruebas de cobre y xDSL
a, b, c
(continued)
d
Distance range
Frequency range
Frequency uncertainty (accuracy)
Level uncertainty (accuracy)
Resolution
Horizontal scale
Vertical scale
Test type
Fault detection
Resolution
Loop resistance
Multiple cable sections
Fault location
Uncertainty (accuracy)
K-Test uncertainty (accuracy)
Especificaciones técnicas
100 m to 5000 m (300 ft to 16000 ft)
4.3 kHz to 30 MHz
±(50 ppm + 1 digit)
±2 dB typical for 2.2 MHz and 8 MHz ranges
±3 dB for VDSL2-12 and VDSL2-17
±4 dB for VDSL2-30 ranges
0.1 dB
ADSL2+ = 2.208 MHz, VDSL2-8 = 8 MHz, VDSL2-12 = 12 MHz,
VDSL2-17 = 17.66 MHz, VDSL2-30 = 30 MHz
0 dB to 100 dB
Single pair (two wire) and separate good pair (four wire) and Küpfmüller (K-Test)
0 to 20 M
Three digits
10 k maximum
Five (includes gauge and temperature setting)
Total resistance, near-end to fault resistance, fault to strap resistance
(three significant digits, least significant digit 0.1
Total length, distance to fault, distance from fault to strap
(three significant digits, least significant digit 1 m)
±(0.1 + 1 % x RTS)
± (1.0 + 1 % RTS + (Rf1 + Rf2)/10 M ) - double fault
± (1.0 + 1% RTS) - single fault
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