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This article presents how the optical time domain reflectometer (OTDR) remains the only instrument available to characterize fibers at the required level of detail.

This article presents a cost-effective solution for operators who transmit over fibers exhibiting high PMD, allowing them to upgrade parts of their high-dispersion fiber links, prior to upgrading thei...

This article presents EXFO's complete Ethernet testing solutions that will help service providers meet QoS and increase revenue.

This application note reviews the critical parameters (and the order in which they should be tested) and the general criteria for quality transmission.

This application note is intended to provide guidance for proper testing methods for SONET-based networks as recommended by EXFO.

This paper explores the current state of synchronization standards for the synchronization over packet implementations, as well as the tools and techniques required to assure the successful implementa...

This paper reviews the challenges brought forth by the advent of 40G transmission and describes the importance of each test, as well as where and how they should be performed.

This application note provides an overview of the various testing challenges that come with 100G networks; it also presents EXFO's solution to meet those challenges.

This application note provides an overview of the main tests that should be conducted to ensure the optimum performance of P-OTNs.