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JDSU adds PMD test for fiber nets

Thu, 07/19/2012 - 3:08pm
Brian Santo

JDSU has added to its test systems the ability to qualify fiber-optic networks and test polarization mode dispersion (PMD).

JDSU’s In-Service PMD (I-PMD) module works with its T-BERD/MTS-8000 field test platform. The company believes its tester is the first available that allows network operators to take those measurements without having to shut down links or re-route live traffic.

JDSU said its I-PMD was developed in collaboration with a U.S. Tier 1 telecommunications service provider.

PMD affects the speed with which data can be transmitted and can lead to increased bit error rate and packet loss.

The I-PMD test analyzer can be placed anywhere in the network at any time and gathers data on PMD, in-band optical signal noise ratio and transmission problems. It simplifies fiber-optic network testing at a time when a growing number of high-bandwidth applications and the migration to 10G, 40G and 100G transmission speeds are adding network complexity.

“With new applications being delivered to customers every day, communications service providers are requiring a more sophisticated way to measure key performance metrics from live traffic in order to deliver the highest-caliber customer experience,” said Enzo DiLuigi, vice president and general manager in JDSU’s Communications Test and Measurement business segment. “JDSU’s I-PMD solution quickly identifies risks to service degradation and outages and virtually eliminates network downtime, which are top priorities for network service providers.”

In addition to its unique capability to monitor a network without shutting it down, JDSU’s I-PMD also captures all relevant data in a single snapshot, reducing the time it takes to troubleshoot an issue, JDSU said. I-PMD cuts the number of technicians required to troubleshoot a problem in half and reduces the number of test instruments for a technician to carry by three.

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