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Wave Review
Up-to-date information about critical issues and the latest advances in optical test and measurement, network monitoring and manufacturing.
July/August
2005, Summer
Edition EXFO's sense of innovation has been renowned in the optical testing market
for nearly two decades, and we are proud to say that today we hold 22%
of the world market share (Frost & Sullivan—March 2005).
Over the past several years, we have successfully expanded our product
offering into transport and datacom testing, thanks to the commitment
of a highly specialized and experienced R&D team, consisting of nearly
100 engineers.
During this time, we have still remained strong in the optical sector;
namely, our pioneering work in FTTx technology has been key in the adoption
of new industry standards.
In this edition of Wave Review, we invite you to take a tour of EXFO's
more recent expertise. As you will see, our knowledge covers a broad range
of telecom testing areas, allowing us to offer fully compatible, integrated
test solutions that enable you to perform an increasing amount of tests
within one user-friendly, modular platform. |
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Next-Generation SONET/SDH Technologies and Testing Considerations
This article provides an overview of next-generation SONET/SDH technologies, as well as some of the testing challenges that must be considered when qualifying next-generation systems and when activating and maintaining Ethernet-over-SONET/SDH circuits.
[Click here for full story] |
Next-Generation
SONET/SDH—Simplifying the Lingo
Telecom
and acronyms have always gone hand in hand and
next-generation SONET/SDH is no exception. Here
is a straightforward explanation of basic next-gen
terminology, along with notes on associated applications.
[Click
here for full story] |
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Enhancements to Next-Generation SONET/SDH Analyzers: Product Information Bulletin
In an effort to increase the test application breadth of the FTB-8100/8110 Next-Generation SONET/SDH Analyzers, EXFO introduces new functionalities to this product line. These new test functions, available with the SSA 2.1 software release, offer several key test features for the qualification, commissioning and troubleshooting of next-generation Ethernet-over-SONET/SDH networks.
[Click here to view this bulletin in PDF format] |
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A Brief Overview of 10 Gigabit Ethernet
With
its interface flexibility, integration with
existing SONET/SDH transport technology,
and full backward compatibility with lower-rate
Ethernet standards, 10 Gigabit Ethernet is
positioned to be a key technology in LAN,
access, metro, and long-haul network deployments.
This article presents a concise description
of 10 Gigabit Ethernet modes of operation,
data encoding and physical interface specifications.
[Click here for full story] |
Ethernet Applications in Service Provider Networks
Due to their cost-effectiveness, easy upgradability and seemless integration, Ethernet services are one of the fastest-growing segments in telecom. This article provides an overview of the various kinds of networks used to carry Ethernet, and the various ways Ethernet services bridge local-area networks (LANs) together to form multisite virtual LANs.
[Click here for full story] |
Remote Testing for Ethernet in the First Mile
Until recently, Ethernet deployment and maintenance were an expensive endeavor. However, the recent ratification of the Ethernet in the First Mile testing standard now offers significant opportunities for service provider OPEX reduction and quicker deployment of Ethernet services.
[Click here for full story] |
Fibre Channel Testing for Storage Area Networks
Storage area networks were created in response to today's increasing data storage needs. As SANs must respect ANSI's Fibre Channel protocol, testing involves stringent requirements.
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here for full story] |
Introduction to Fibre Channel Technology
The development of Fibre Channel first started in 1988, as a practical, inexpensive and scalable way of using fiber-optic cables to connect storage devices. It is now the standard protocol for storage-area-network communications.
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here for full story] |
Effects of Interchannel Crosstalk on PON Power Meter Measurements
To get the most out of PON power measurements, it is helpful to understand some of the underlying complexities of this process. Interchannel crosstalk, in particular, affects measurements and, consequently, results should be interpreted accordingly.
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here for full story] |
An Innovative Solution for In-Service Troubleshooting on Live FTTH Networks
When a technician is called on-site to troubleshoot a branch of a PON, he must first measure the optical power level to determine if it is sufficient to allow the ONT to synchronize with the OLT. Several things must be considered during troubleshooting.
[Click
here for full story] |
New PON-Testing Software Features for the FOT-930 MaxTester and the FTB-3930 MultiTest Module
Earlier this year, EXFO launched its handheld FOT-930 MaxTester, which is quickly becoming the industry's reference for FTTx link characterization-especially with the upcoming addition of more FTTx-oriented features.
[Click
here for full story] |
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