COPPER SPECIFICATIONS
a, b, c
(continued)
Power spectral density (PSD) Test type Continuous with peak-hold
Vertical scale 15 dBm/Hz to –140 dBm/Hz or 20 dBm to –90 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, ADSL2+, VDSL2-8, VDSL2-12, VDSL2-17 and VDSL2-30
Wideband impulse noise Threshold –50 dBm (40 dBrn) to 0 dBm (90 dBrn) in 1 dB steps
Counter maximum 65 000 000
Test duration Maximum 100 hours
Uncertainty (accuracy) (dB) ±2
Noise filters None or E, F, G, ADSL2+, VDSL2-8, VDSL2-12, VDSL2-17 and VDSL2-30
Wideband longitudinal balance Level range (dB) 0 to 50 up to 2.2 MHz
0 to 40 up to 12 MHz
Level resolution (dB) 0.1
Level uncertainty (accuracy) (dB) ±2 (up to 2.2 MHz)
Frequency uncertainty (accuracy) (ppm) ±(50 ppm + 1 digit)
Frequency scale ADSL/2+: 20 kHz to 2.2 MHz
VDSL/VDSL2-12: 20 kHz to 17.6 MHz
Single-ended frequency response
(attenuation)
d
Distance range (m) 100 m to 5000 m (300 ft to 16000 ft)
Frequency range (Hz) 4.3 kHz to 30 MHz
Frequency uncertainty (accuracy) ± (50 ppm + 1 digit)
Level uncertainty (accuracy) (dB) ± 2.0 dB typical for 2.2 MHz and 8 MHz ranges
± 3.0 dB for VDSL2-12 and VDSL2-17
± 4.0 dB for VDSL2-30 ranges
Resolution (dB) 0.1
Horizontal scale (MHz) ADSL2+ = 2.208, VDSL2-8, VDSL2-12 = 12, VDSL2-17 = 17.66,
VDSL2-30 = 30
Vertical scale (dB) 0 to +100
Resistive fault location (RFL) Test type Single pair (two wire) and separate good pair (four wire)
Fault detection (M1) 0 to 20
Resolution Three digits
Loop resistance (k1) 10 maximum
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)
Stressed Balance Level Range 0 to 82 dBrnC
Resolution 0.1 dBrnC
Longitudinal Excitation 135 VDC (0 dBm, ±1 dB reproducibility)
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