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Stockholm & Madrid, 18 November - Transmode, a leading provider of Optical Networking solutions, has been selected by the Madrid Metro (Metro de Madrid) for a network improvement project to increase network reliability and to ensure that communications services continue in a disaster recovery situation.
Metro de Madrid put out a public tender seeking a solution to interconnect its main communications hubs. These are located at various points on the metro:- Alto del Arenal, Puerta del Sur, Depósito de Canillejas and Campo de las Nacion. The aim of the project was to install a fibre-optic network with built in redundancy between these sites, ensuring that communications services are maintained while minimising the impact of any natural catastrophes or terrorist attacks.
In the first phase of the project, Transmode improved the communications network by providing Alto del Arenal and Puerta del Sur stations with a redundant and high-capacity link. Communications are now running between both locations, providing all applications, signalling information and end-user services.
The installation, based on Transmode's TM-Series/TS-Series WDM systems, won the tender because it provided the highest network reliability and the best price/performance ratio. The Transmode solution was integrated into Metro de Madrid's management platform by Indra (a certified partner of Transmode), Spain's first IT multinational and one of Europe and Latin America's most important.
Enrique Pérez Amorós, manager of Telecommunications, Signals & Control at Metro de Madrid, says: "After studying the existing technology options and the various bidders for this project, the choice was clear: Transmode fulfilled Metro de Madrid's requirements. Another factor in Transmode's favour was that the company has experience of working with other metro systems around the world."
Transmode's country manager, Iberia, Vicente Arroyo commented, "we are extremely pleased to be announcing Metro de Madrid as another customer in Spain in conjunction with our local partner INDRA. Transmode's TM-Series/TS-Series provide the ideal platform for applications like this where a small footprint, low power consumption and ease of use are key considerations along with network reliability."
The solution works with two racks configured to provide redundancy. Duplicates of all functional elements (lasers, transponders, filters, etc.), are located in these racks such that if one part should fail, the other will start to operate immediately. The communications system provides a range of protocols including SDH STM-1, Gigabit Ethernet and 10G, PDH, E1, Fibre Channel 4G and ATM STM-1. These are multiplexed into separate 10G channels generating a secure signal, which is combined with the carrier signal between the nodes.
Significantly, Transmode's solution is optimised to remove the need for active network elements at any point along the fibre or the need for further amplification. Therefore the network does not require regeneration or compensation filters for chromatic or phase distortion which minimises maintenance and will simplify any future development of the network. .
The newly installed TM-Series/TS-Series system has unique features such as: * i-WDM (intelligent WDM) technology, capable of automatically detecting the protocol and speed of a client signal. * Automatic management and monitoring of optical power, including intelligent mechanisms for automatic adjustment of the optical power levels when new services are added. * The option of adding or dropping services without interrupting existing communications.
The new system has to support the existing critical services such as: * MetroSur's low-speed (SDH) systems * Metro de Madrid's (GbE) PDHoIP systems * PABX and TETRA telephony systems over ATM * Metro de Madrid's gigabit Ethernet LAN network (10G) * SAN-NAS systems with 4G Fibre Channel connectivity
Now that the first stage has been successfully completed, Metro de Madrid is planning future developments. One of which is the integration of connections of the main sites in a ring-shaped homogenous architecture, and another is the possibility to integrate any future new locations.
About Metro de Madrid Metro de Madrid is the company that runs the Madrid Metro which provides an essential service for commuters across 218 stations. For further information see: www.metromadrid.com.
About INDRA Indra is Spain's first IT multinational and one of Europe and Latin America's most important. It is the second European company in its sector according to stock market capitalisation, and it is also the second Spanish company with the highest investment in R&D. In 2007, revenues exceeded € 2,167 million a third from international markets. The company employs more than 24,000 professionals and has developed projects in more than 90 countries. For further information see: - www.indra.es
About Transmode Transmode is a leading provider of optical networking solutions for transport of data, voice and video traffic, based on WDM-technology (Wavelength Division Multiplexing). Our customer base consists of more than 230 network operators, service providers, large enterprises and public institutions across Europe, the Americas and Asia. Transmode's comprehensive product portfolio and strong global organization enable our customers to cost efficiently grow the capacity and to improve service level of their regional, metro and metro access networks, without compromising on functionality. For additional information about Transmode, please visit: www.transmode.com
For more information please contact: - Ola Elmeland Vice President Marketing & Communications Transmode Systems AB Telephone: +46 8 527 675 50 Email: ola.elmeland@transmode.com
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