EXFO FTB-635 Wideband Copper and DSL Test Module - Manuel (Page 401)

Caractéristiques techniques
Tests de cuivre et xDSL 393
COPPER SPECIFICATIONS a, b, c (continued)
Load coil detection Count Up to 5
Plot Up to 10 kHz
Distance range Up to 8000 m (up to 27 000 ft)
Near End Crosstalk (NEXT) Frequency Range 10 kHz to 30 MHz
Level Range 0 to 90 dB
Level Resolution 0.1 dB
Level uncertainty (accuracy) 2.2 MHz: ±2.0 dB, from 0 to 90 dB
8 MHz: ±2.0 dB, from 0 to 85 dB
12 MHz: ±2.0 dB, from 0 to 80 dB
17.6 MHz: ±3.0 dB, from 0 to 80 dB
30 MHz: ±3.0 dB, from 0 to 80 dB
Terminations 100, 120, 135, 150 1
Power spectral density (PSD) Test type Continuous with peak-hold, disturber identification, spectral mask overlay,
and bridging impedance features
Vertical scale 15 dBm/Hz to –140 dBm/Hz or 20 dBm to –100 dBm
Horizontal scale 4.3125 kHz to 17 MHz, in 4.3125 kHz steps or
8.625 kHz to 30 MHz, in 8.625 kHz steps
Noise filters None or E, F, G, ADSL, ADSL2+, VDSL, VDSL2-8, VDSL2-12, VDSL2-17 and VDSL2-30
Wideband impulse noise Test type Counter, histogram, time and frequency scope
Counter, histogram threshold –50 dBm (40 dBm) to 0 dBm (90 dBm) in 1 dB steps
Scope (time) threshold 0.000 V to 7.000 V in 0.0001 increments
(0 V provides continuous triggering)
Counter maximum 65 000 000
Scope windows size 10 μs to 10 ms
Test duration Counter, histogram – minutes: 1, 5, 10, 15, 30 and 60
Counter, histogram – hours: 4, 8, 12, 24 and 100
Scope: continuous and capture/trigger modes
Impulse separation time 1 μs – 999 μs
Uncertainty (accuracy) ±2 dB
Noise filters None or E, F, G, VDSL2-8, VDSL2-12, VDSL2-17 and VDSL2-30
Wideband longitudinal balance Level scale 0 to 100 dB
Level range uncertainty (accuracy) 2.2 MHz: ±2.0 dB, from 0 to 55 dB
8 MHz: ±2.0 dB, from 0 to 45 dB
12 MHz: ±3.0 dB, from 0 to 45 dB
17.6 MHz: ±3.0 dB, from 0 to 40 dB
30 MHz: ±4.0 dB, from 0 to 40 dB
Level resolution 0.1 dB
Frequency resolution 1 kHz
Frequency uncertainty (accuracy) ±(50 ppm + 1 digit)
Frequency scale ADSL/2+: 10 kHz to 2.2 MHz
VDSL2-8 : 20 kHz to 8 MHz
VDSL2-12: 20 kHz to 12 MHz
VDSL2-17: 35 kHz to 17.6 MHz
VDSL2-30: 35 kHz to 30 MHz
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.