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This article introduces NQMS, designed to combine all of the traditional measurements such as noise, echo, and MOS voice quality with the new VoIP parameters, creating a complete QoS report card for a...

This article presents a principle that could be applied a new generation of “non-intrusive” clip-on instruments for signal monitoring or power measurement.

This article demystifies how EXFO's optical calibration system can guide you through the calibration of power meters, covering issues such as traceability and technical characteristics of detectors.

This article reviews the basics of light-emitting diodes (LEDs)—whether they are edge-emitting (EELED), surfaceemitting, or super-luminescent diodes (SLEDs)—in test and measurement applications.

This article defines the terms VLAN and Q in Q; it describes their benefits and provides concrete examples of how Q in Q and VLANs are used.

This application note presents PBB-TE and its evolution compared to legacy Ethernet, provides details about its format and suggests some of the testing requirements for the deployment of such networks...

This article shows the importance of relying on network/component test equipment featuring a built-in signal-conditioning tool to identify issues and validate the design of components in order to opti...

This article shows a simple and economical way to quickly identify and locate bridged taps before they impact new services, or to quickly find and remove them when they do, and to restore QoS and QoE.

This application note examines the need for a centralized test point, as well as the characteristics and applications of a centralized Ethernet test head.

This application note presents the FTB-5500B PMD Analyzer, based on the generalized interferometric method, allowing you to test whole links in one test sequence.