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

This article describes methods to optimize OTDR measurement parameters by presenting processes and key parameters.

This application note discusses how some pre-deployment testing activities can be performed with equipment such as EXFO’s QualityAssurer to ensure the quality of the IMS network.

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

This application note covers the anatomy of a cellular backhaul network (also known as mobile backhaul), and the specific Ethernet and TDM tests required to certify its quality.

This application note explains the need for a test technology that would accurately measure CD and PMD in one instrument and from a single end, such as EXFO’s FTB-5700.

This application note discusses various aspects of jitter and wander—the theory, the causes, the effects they have on networks, and related field testing.

This application note introduces various concepts related to QoS and the testing needs for such mechanisms.

This application note describes the four main factors that affect IPTV services as well as the parameters to test to avoid quality degradation.

This application note explains how important it is to perform wideband testing to ensure quality of service (QoS) when delivering broadband services.