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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40 Gbit/s Transmission: The Importance of Modulation
The selection of a suitable 40 Gbit/s modulation format is an important consideration for service providers, both in terms of performance and cost. Currently, non-return-to-zero, duo binary and differential phase-shift keying modulation schemes are commercially available, while differential quadrature phase-shift keying is still under development.
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Testing Procedure for Network Deployment
Today’s large, powerful systems can take network performance to the next level, but they require proper installation, tuning and maintenance. This article reviews critical parameters, the order in which they should be tested and the general criteria for quality transmission.
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With the growing deployment of reconfigurable add/drop multiplexers (ROADMs), several issues and questions arise.
As experts in the field of network testing, we at EXFO have added a special section to our newsletter
that will be dedicated specifically to ROADM-related testing issues.
Join us monthly for a concise look at different aspects of the technology and what they entail. This month:
Cascaded ROADMs and Effective Bandwidth
In the previous issue of Wave Review’s ROADM Corner, we examined the importance of in-band optical signal-to-noise ratio (OSNR)
testing for reconfigurable optical add/drop multiplexers (ROADMs). In this issue, we will discuss a frequently encountered scenario—several ROADMs in a network.
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Did you know that in addition to traditional
on-site training, EXFO’s
Be-an-Expert program
provides web-based learning activities?
Multimedia training capsules are available
online, 24/7.
Scheduled web-based training sessions are offered regularly, and
on-demand web-based training sessions can be scheduled upon request
(offered in English, French or Spanish).
Scheduled web-based training sessions being given in the next few weeks include:
| Training Registration | Date |
| Understanding Critical OTDR Parameters |
Tuesday, December 02, 2008—2:00 pm
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| OTN Testing (FTB-200) |
Thursday, December 11, 2008—10:00 am
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| Introduction to FOT-600 Optical Loss Test Set |
Thursday, January 08, 2009—10:00 am
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| AXS-200/630 VDSL2, ADSL2+ and IP Triple-Play Test Set |
Monday, January 12, 2009—10:00 am
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| TCP Throughput (FTB-400) |
Tuesday, January 20, 2009—10:00 am
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| Testing with the OSA hosted on the FTB-400 Platform |
Wednesday, January 28, 2009—10:00 am
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| OTN Testing (FTB-400) |
Wednesday, February 04, 2009—2:00 pm
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| TCP Throughput (FTB-200) |
Thursday, February 12, 2009—2:00 pm
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More training
More tradeshows
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.
9/2/2008
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EXFO Extends Leadership in 40G/43G SONET/SDH Testing with Expanded Capabilities on Transport Blazer
QUEBEC CITY, CANADA, September 2, 2008 – EXFO Electro-Optical Engineering Inc. (NASDAQ: EXFO, TSX: EXF) announced today the release of new software features for the Transport Blazer and Power Blazer product lines. This set of advanced features, contained within EXFO’s IQS modules for R&D and software verification groups and FTB modules for network operators, provide the versatility, flexibility and affordability required to validate network restoration times and overall network resilience at rates up to 40/43 Gbit/s.
More news
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.