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Trilithic adds FDR option to tester

Tue, 01/20/2009 - 7:15am
Brian Santo

Trilithic has added a new frequency domain reflectometer (FDR) option for its 860 DSPi Field Analyzer.

The option enables installers and service technicians to identify the distance to faults or various passive devices within home networks.

The company said that similar to a time domain reflectometer (TDR), the FDR can work through in-line splitters and other frequency-limited devices. It works by transmitting a sweep into the network and analyzing the compound reflected wave.

The test provides measurement of return loss at various connections within the network, including the distance to each connection.

The option can be added to any 860 DSPi equipped with either a VP-1 (Return Tester RSVP Option) or an SR-1 (Return Sweep Receiver Option) by updating the firmware and purchasing an activation key code. Units without one of these options must be returned to the factory to receive the upgrade.

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