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This article shows the importance to perform reliability testing in order to determine the long-term behavior of passive components.

This article simplifies polarization mode dispersion, using specific examples and formulas.

This application note discusses in-band optical signal-to-noise ratio (OSNR) testing, more specifically when there are several ROADMs in a network.

This application note discusses the various challenges of CWDM testing during construction, installation, activation and troubleshooting phases; it also presents specialized testing equipment.

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 explains why it is essential to analyze not only the circuit ofinterest, but the environment around the circuit when testing services.

This paper provides background on the different topologies used to deliver Ethernet services, their corresponding test methodologies and the selection of the appropriate test mode according to the top...

This application note focuses on the possible approaches to dealing with excess PMD and highlights the preferred one, from a cost-effective standpoint.

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

This application explains EXFO's offeringfor commissioning, turning-up and qualifying 10 GbE LAN services end-to-end over OTN.