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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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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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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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Fiber Inspection Probes vs. Fiber-Optic Microscopes

This application note covers the differences between fiber inspection probes and fiber-optic microscopes, two instruments used to inspect connectors.

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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
Out-of-Band Testing for Carrier-Class Ethernet: A Cost-Effective Solution for Increasing QoS

This application note compares a traditional and complex test method that uses transmission wavelengths to an innovative and simple test solution that uses a filtered out-of-band wavelength.

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Multimode Fiber Certification: Light Source Launch Conditions and Encircled Flux Standard

This application note explains how a multimode light source with controlled launch conditions ensures accuracy, reproducibility and consistent loss readings.

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