Redundant fibers offer more protection against outages: Optical gear boosts availability

High availability of critical fiber transmission demands for protection equipment. A very cost effective way is to use layer 1 optical protection systems rather than using doubled transmission equipment.

Wessling, (PresseBox) - High-bandwidth networks use fiber links to carry large volumes of mission-critical traffic. Outages often result in large financial losses, so carriers and enterprises have used a variety of mechanisms, such as SONET rings in the core and MPLS in the access network, to boost availability.
A new protection mechanism based on all-optical switching offers a more cost-effective solution for high-speed links, however.

Protection from fiber failures is achieved through the use of redundant fibers. When the primary link fails, traffic is rerouted to an alternate link. To use the redundant fibers, operators have two options: use two sets of equipment at each end (for example, two router line cards at each end of the link), or use a single set of equipment and route traffic to the appropriate link through the use of a protection switch. High data-rate line cards are fairly expensive, whereas protection systems typically cost much less, making their use very cost-effective.

The new protection technology is based on optical switching modules. Optical signals are routed to one of the fiber links without undergoing any electro-optical conversion. Unlike other technologies, optical switches don't use expensive signal conversion circuitry, greatly reducing the cost, space and power consumption of this solution.

Laser 2000 GmbH

Laser 2000 Fiberoptic has different branches of activity where all of them are dedicated to fiber optics or photonics. In the fiberoptics field Laser 2000's offering comprises a large variety. Starting from optical patchcords, attenuators and transceivers like GBICs and transceivers like GBICs and SFPs it ranges to easy to deploy CWDM and DWDM solutions.

Furthermore aggregation and optical transport for access, metro and regional networks are a fix part of the portfolio. With different quality partners Laser 2000 is able to provide the right solution for its customers. As Laser 2000 is very knowledgeable in the optical domain they can even tailor dedicated solutions for special needs.

Laser 2000 offers additionally test and measurement equipment for installers and operators of fiber optical networks.

Since 25 years Laser 2000 is concentrating on the core product areas of Photonics market. Our experts and experienced account managers ensure the best possible attention to your requirements today for the solutions of tomorrow.

Laser 2000 is headquartered in Munich, Germany and operates local offices in all major business areas of the European market. In order to support your application we deliver top-level service and products and meet the highest standard of quality. With an installed base of thousands of applications around the world, Laser 2000 has shown the ability to provide onsite-support in time.

Please meet us at following exhibitions:
ITG Cologne, Dec 13-14, 2011
OFC Los Angeles, Mar 6-8, 2012
CEBIT Hannover, Mar 6-10, 2012
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