Up-to-date information about critical issues and the latest advances in network test, measurement, monitoring and service assurance, as well as component/system manufacturing.
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Testing Jitter and Wander in the Field—Is it Necessary?
For the longest time, there has been debate over jitter and wander; do these parameters really need to be tested? This article discusses various aspects of jitter and wander—the theory, the causes, the effects they have on networks, and related field testing.
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O-Band WDM Bandwidth Expansion and Four-Wave Mixing
To test their multiwavelength O-band transmission systems, many MSOs are using channel checkers, which are wavelength-selective power meters. Although this choice is simple and may seem cost-effective, if you want a true picture of the situation, it will require a two-step process.
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Measuring Near-End and Far-End Crosstalk
To ensure QoS, providers must use effective approaches for measuring noise, which greatly affects the desired signal as it passes through the transmission path, resulting in a corrupt signal that can be misinterpreted by the receiver and consequently produces errors in the digital bit stream.
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11/26/2008
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EXFO Expands Ethernet Test Capabilities of its Power Blazer Modules
QUEBEC CITY, CANADA, November 26, 2008 — EXFO Electro-Optical Engineering Inc. (NASDAQ: EXFO, TSX: EXF) announced today the addition of multi-stream test support on the FTB-8120NGE, FTB-8130NGE, IQS-8120NGE and IQS-8130NGE Power Blazer multi-service test modules.
11/19/2008
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EXFO Adds IPv6 Support to its Ethernet Test Portfolio
QUEBEC CITY, CANADA, November 19, 2008 — EXFO Electro-Optical Engineering Inc. (NASDAQ: EXFO, TSX: EXF) announced today the release of IPv6 (Internet Protocol version 6) testing capabilities for its field-portable FTB-8510B (up to 1 Gbit/s) and FTB-8510G (up to 10 Gbit/s) as well as laboratory IQS-8510B and IQS-8510G Packet Blazer series of test modules.
9/9/2008
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EXFO Enhances IMS/NGN InterWatch R14 Platform
QUEBEC CITY, CANADA, September 9, 2008 — EXFO Electro-Optical Engineering Inc. (NASDAQ: EXFO, TSX: EXF) announced today the release of new software features on the InterWatch R14 platform, the industry’s highest performance and most scalable Internet Protocol Multimedia Subsystem (IMS)/Next-Generation (NGN) test platform.
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EXFO is a leading provider of test and monitoring solutions for network service providers and equipment manufacturers in the global telecommunications industry. The Telecom Division offers a wide range of innovative solutions extending across the full technology lifecycle — from design to technology deployment and onto service assurance — and covering all layers on a network infrastructure to enable triple-play services and next-generation, converged IP networking. The Life Sciences and Industrial Division offers solutions in medical device and opto-electronics assembly, fluorescence microscopy and other life science sectors. For more information, visit
www.EXFO.com.