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ELQ-30A+ 35MHz xDSL Line Qualifier
- The ELQ-30A+ is a 35MHz tester for the qualification of VDSL, ADSL, SHDSL, HDSL, ISDN and VF lines with pre-programmed templates and data transfer speed calculation
- An optional TDR function is available for locating cable faults such as loose contacts or splits causing crosstalk
- An optional active AC-DC bridge is available for accurate fault location (with telephone simulator)
- Two testers are required for end-to-end measurement. The testers communicate over the line allowing an instrument configured as master to remotely control another configured as slave
- Tolerance masks of cable parameters such as loss, LCL, return loss, impedance and the principal system parameters are pre-programmed for several xDSL systems
- The automatic test sequence provides pass/fail indication by comparing the test results against the tolerance masks and the calculated achievable rate against the required data rate
- Single sided measurements include transmitter, selective and wideband receiver, spectrum analyzer, wide band noise, impulsive noise, return loss, impedance, balance and NEXT(Loss) measurements
- Software options include:
- Micro-interruption measurement according to ITU O.62 with duration and distribution
- Single end line test
- Software for user defined test parameter editing on a PC
- DPBO and UPBO dependent templates
- Spectrogram for long duration testing to locate intermittent/unpredictable faults
- Supplied in a soft case with a battery, charger, USB stick, USB cable and software for results transfer to a PC
