JDSU Introduces Optical Dispersion Measurement Module

JDSU today introduced the Optical Dispersion Measurement (ODM) module for the T-BERD/MTS-6000 and T-BERD/MTS-8000. Offering chromatic dispersion (CD), polarization mode dispersion (PMD) and Attenuation Profile test functions in a single plug-in module, the ODM is the industry's most compact and integrated dispersion solution dedicated to field testing fiber optic networks. The module includes a patented solution for CD measurement.

Measuring CD, PMD and attenuation is essential during fiber characterization, a series of tests performed to identify fiber viability for very high-speed transmission systems (10 GigE, 40G and higher) in both the installation and maintenance phases. If not properly managed, CD, PMD and attenuation cause severe performance effects on transmission quality that must operate at peak performance in order to deliver reliable broadband services.

The ODM module's combination of CD, PMD, and attenuation test functions allows technicians to validate the fiber link's compatibility with high-speed CWDM/DWDM systems, including Reconfigurable Optical Add/Drop Multiplexers (ROADMs). The performance of each individual function also makes the ODM module ideal for characterizing fiber at 40G and higher.

"As cable and telecom network operators continue to deploy fiber networks to meet the world's increasing broadband needs, they need the right tools to ensure fiber links operate as flawlessly as possible," said Enzo di Luigi, general manager of JDSU's fiber optics Communications Test and Measurement group. "The ODM module meets this challenge by enabling efficiency through an integrated solution and offering the best dispersion performance available in a field test solution -- which is needed to test most fiber networks, from short or long distance unrepeated networks to aerial and amplified networks."

Additional performance highlights of the ODM module include the industry's only full-band CD analyzer with measurement points in the lower bands (1260-1460nm), very fast CD acquisition time (45s to 70s), test capability through non-bi-directional components (EDFA, filters, and similar components), internal and on-line wavelength referencing, accurate zero-wavelength characterization on G652 fiber, a single input port for any test configuration, and compatibility with plug-in or battery-powered handheld broadband sources at the far end of the fiber under test.

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