Exfo FTB-635 Wideband Copper and DSL Test Module Instrukcja Użytkownika Pobierz pdf (Strona 419)

Technische Daten

Kupfer- und xDSL-Tests 411

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.

1 2 ... 414 415 416 417 418 419 420 421 422 423 424 425 426 427

Komentarze do niniejszej Instrukcji

Brak uwag

Exfo FTB-635 Wideband Copper and DSL Test Module Instrukcja Użytkownika Strona 419

Komentarze do niniejszej Instrukcji

Powiązane produkty i podręczniki dla Urządzenia pomiarowe Exfo FTB-635 Wideband Copper and DSL Test Module