■ Pre-qualification of copper wire pairs with physical parameter measurements 200 Hz to 35 MHz.
before installation of SVDSL, VDSL, ADSL 2+, ADSL, SHDSL or VF systems.
■ Automatic master-slave test sequences.
■ Line qualification with immediate PASS/FAIL indication.
■ Preprogrammed tolerance masks.
SoftWare options for xDSL line qualification
■ Single End Line Test.
■ Non- disturbing test of vectored lines.
■ Spectrogram Measurement.
■ Spectral Trace as Reference.
QUALIFICATION OF VOICE FREQUENCY CIRCUITS
■ Analogue measurements on leased or switched circuits 200 Hz to 20 kHz.
■ Analogue-to-analogue measurements on PCM systems.
■ Loop holding and dialing (pulse or DTMF) for dial-up circuit testing.
■ Test of ordinary or special quality circuits.
Software option for voice frequency measurements
■ SW packet consisting of: Group delay measurement, Jitter & Frequ Difference measurement,
Noise with tone measurement, Event counter and Echo Test
FAULT LOCATION WITH TDR (HW Option)
■ Short time measurement to locate low impedance faults and splits.
■ Long time measurement to locate intermittent faults.
■ Comparison of pairs.
■ Comparison to stored waveform.
■ XTALK point location.
FAULT LOCATION WITH ACTIVE BRIDGE (HW Option)
■ DC Fault Location Methods: Murray, 3 Point, Küpfmüller, Repeated Küpfmüller.
■ Loop resistance, Isolation resistance & Resistance difference measurement.
■ AC Fault Location Methods: Interruption, Repeated Küpfmüller.
■ Capacitance and Capacitive Balance Measurement.
AUTOMATIC TEST SEQUENCES
■ Quick Test to get rough estimate about the features of an unknown pair of wires.
■ Quality Test to get accurate results about the features of an known good pair of wires.
■ Pair Condition Survey to find the best fault location method.
Software options for bridge measurements
■ Test of multi section cables
■ Test of loaded cables
FAULT LOCATION WITH PASSIVE BRIDGE (Extension for active bridge)
■ DC Fault Location Methods: Murray, 3 Point, Küpfmüller, Resistance difference.
■ End to End Synchronous Graaf Measurement for fault location when the disturbing DC voltage is high.
■ Loop resistance & Isolation resistance measurement.
■ AC Fault Location Methods: Küpfmüller, Capacitive Balance.
■ Data transfer via USB port.
■ Data transfer via WiFi.
■ ELQP 30 High Impedance Probe for the test of operating xDSL systems.
■ ER 30 Directional coupler for the test of operating xDSL systems.
■ ELC 30 Loop closing device to open or close the far end of the tested cable.
■ ECFL 30S Intelligen slave unit to perform synchronic end to end Graaf measurement.