10
SCAN-LAN Vt
Near-End Crosstalk (NEXT) and Attenuation
• Tests NEXT for all six pair combinations
• Tests NEXT at both ends
• Tests Attenuation of all four pairs one way
Frequency Range:
1 to 100 MHz
NEXT and Attenuation Accuracy:
With Modular Plug Performance
Module (TS691 or TS691E), exceeds requirements of TIA TSB-67 for
Level-II Accuracy
Power Sum NEXT
• Tests Power Sum NEXT for all four pairs
• Tests Power Sum NEXT at both ends
Frequency Range:
1 to 100 MHz
Test Limit:
Applicable pair-to-pair NEXT limit
Impulse Noise
Counts impulse-noise hits above a user-defined threshold
Threshold:
User-defined, 100 to 500 mV peak (260 mV default)
Cable Resistance (Twisted Pair)
Range:
0
Ω
to 1000
Ω
Accuracy:
±0.5
Ω
(0 to 10
Ω
), ±1
Ω
(10 to 20
Ω
)
Cable Impedance (Twisted Pair)
Range:
30
Ω
to 200
Ω
Accuracy:
±10
Ω
at 100
Ω
calibration point
