User Manual

VF / DSL Cable Qualifier
266
ADSL2+: 4.3 kHz to 2.208 MHz
Horizontal scale: Depends on Frequency Range (see above)
Vertical scale: -36 dBm/Hz to -156 dBm/Hz or
0 to – 120 dBm
CPE / DSLAM detection: ADSL Annex A, ADSL Annex B, ADSL2, ADSL2+
SHDSL Data Rate Test
Extrapolated Results - Combined Frequency Response, PSD Noise / Crosstalk, Signal-to-Noise Ratio,
Disturber Identification, and Data Rate Estimation test 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
SHDSL setups: ITU-T Annex A or ITU-T Annex B
Noise margin range: Auto, 0 to 20.0 dB in 1 dB steps
Frequency range: 4.3 kHz to 1.104 MHz
Horizontal scale: 0 - 1.104 MHz
Vertical scale: -36 dBm/Hz to -156 dBm/Hz Hz or 0 to – 120 dBm
PSD Noise Measurement
Single-end test plot of Power Spectral Density / crosstalk noise spectrum with disturber identification, cursor
and zoom.
Mode: Continuous or Peak-hold display of (PSD)
Vertical scale: -10 to –153.3 dBm/Hz or +20 to -120 dBm
Horizontal scale: 2.16 kHz to 2.2 MHz, in 2.16 kHz steps, optional 6 MHz support available
Noise filters: None or E, F, G (IEEE-743 / 1995)
DSL Impulse Noise Measurement
Threshold: -50 dBm (40 dBrn) to 0 dBm (90 dBrn) in 1 dB steps
Counter: Maximum 65000
Test duration: 1 minute, 5 minutes, 10 minutes, 15 minutes, 60 minutes, 24 hours, or
continuous (up to 360 hours)
Histogram plot interval: 1, 5, 10, 15 or 60 minutes
Accuracy:
± 2 dB