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

This article provides key information on portable optical spectrum analyzers (OSAs) and how they can measure the most important parameters in a DWDM system.

This application note discusses the importance of QoS and offers QoS testing methods when activating data services.

This application note demonstrates how the test features of the Packet Blazer SAN FTB-8520 can qualify and optimize an end-to- end Fibre Channel network as a whole, at all levels, including the interc...

This article presents the results of ORL testing of 16-channel thin-film multiplexer/demultiplexer using EXFO's IQS-12004B DWDM Passive Component Test System.

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

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

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 application note discusses how EXFO’s FTB-8120NG/8130NG Transport Blazer, with their add/drop Ethernet interface feature in particular, can help service providers and system vendors satisfy these...

This application note focuses on answering critical questions concerning testing FTTP with outside plant equipment, particularly during the deployment and maintenance of PONs.