EXFO FTB-635 Wideband Copper and DSL Test Module - Manuel (Page 402)

Caractéristiques techniques
394 FTB-635
COPPER SPECIFICATIONS a, b, c (continued)
Single-ended frequency response (attenuation) d Distance range 100 m to 5000 m (300 ft to 16000 ft)
Frequency range 4.3 kHz to 30 MHz
Frequency uncertainty (accuracy) ±(50 ppm + 1 digit)
Level uncertainty (accuracy) ±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
Resolution 0.1 dB
Horizontal scale ADSL2+ = 2.208 MHz, VDSL2-8 = 8 MHz, VDSL2-12 = 12 MHz,
VDSL2-17 = 17.66 MHz, VDSL2-30 = 30 MHz
Vertical scale 0 dB to 100 dB
Resistive fault location (RFL) Test type Single pair (two wire) and separate good pair (four wire) and Küpfmüller (K-Test)
Fault detection 0 to 20 M 1
Resolution Three digits
Loop resistance 10 k 1maximum
Multiple cable sections Five (includes gauge and temperature setting)
Fault location Total resistance, near-end to fault resistance, fault to strap resistance
(three significant digits, least significant digit 0.1
1).
Total length, distance to fault, distance from fault to strap
(three significant digits, least significant digit 1 m)
Uncertainty (accuracy) ±(0.1 1 + 1 % x RTS)
K-Test uncertainty (accuracy) ± (1.0 1 + 1 % RTS + (Rf1 + Rf2)/10 M1) - double fault
± (1.0 1 + 1% RTS) - single fault
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.