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Ensuring IPTV Service Quality While Migrating to MPEG4 and HDTV

This application note presents the key elements to consider when upgrading networks to higher-rate DSL technologies or implementing MPEG4 video encoding.

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The ROADM Challenge and the In-Band OSNR Solution

This application note presents in-band OSNR measuring techniques become essential to accurately measure the OSNR in reconfigurable networks.

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Transporting 40G/100G Ethernet Services over Optical Networks

This article explains how service providers can make certain that all new 40G/100G circuits in service are proven capable of handling any of the demanding services thanks to EXFO’s FTB-85100G Ethernet...

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Detailed Bit Pattern Analysis with the PSO-200 Gearbox

This article explains how users can acquire information about the transmitted signal that would not have been able to obtain, such as the probability of error of each individual bits/bytes in a patter...

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Implementing Service Assurance Across Multiple Carrier Ethernet Networks

This application note examines a case in point in which the CENX and EXFO partnership has created an end-to-end, service-assurance solution that provides visibility to the end user over multiple netwo...

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Why Test for Chromatic Dispersion and Polarization Mode Dispersion

This application note explains why it is important to test for chromatic dispersion and polarization mode dispersion, especially with the penetration of 40 Gbit/s, or OC-768/STM-256.

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Troubleshooting Ethernet Services with Packet-Capture and Decode Capabilities

This article offers insight into troubleshooting Ethernet services with the implementation of EXFO’s new packet-capture and decoding capabilities.

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Future-Proofing Packet Optical Transport with ODUO and ODUflex Mapping

This application note explores ODU0/ODUflex as their implementations in the OTN technology are key enhancements in the transport network.

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Live Fiber Monitoring in CWDM Networks

In this article, EXFO demonstrates its innovation in applying its CWDM OTDR technology to fiber-monitoring application.

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Service Assurance for Inter-Carrier Peering Resources