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This article presents how to measure polarization dependence of DWDM passive devices with the IQS-12004B DWDM Passive Component Test System.

This application note focuses on connectors as key components that interconnect the entire network elements and how to maintain maintain them in good condition to avoid network failure.

This application note examines the basic technical aspects of MPLS and the testing needs associated with deploying and maintaining such a network.

This application note presents EXFO's powerful tool that simplifies the field engineer’s turn-up and troubleshooting activities for SONET/SDH networks, removing the complexity associated with these ne...

This application note presents EXFO's instruments for in-service PON troubleshooting.

This application note demonstrates how EXFO's PPM-350B enables the user to accurately locate the problem by measuring all signals to verify if each one is still within specifications.

This application note presents the FOT-930 MaxTester, reducing the need for several test instruments, reducing the chance of error, reducing training time, while saving lots of money.

This application note provides an overview of the basic concepts of PMD and the impact that strong-mode and weakmode coupling have on PMD testing; the accuracy of test instruments will also be discuss...

This application note explores effective approaches for measuring noise and used by service providers who are determined to ensure quality of service (QoS) to their customers.

This application note explores technologies driving the evolution to higher-bandwidth networks: the ROADM technology and the optical transport network (OTN) standard.