Swedish telco TeliaSonera has selected German vendor Siemens Communications to build a DWDM backbone to serve as the foundation for the delivery of all TeliaSonera services. It reported that the first Siemens deployment in the TeliaSonera transport network was successfully completed in spring 2006. Financial terms were not disclosed. Siemens’ Surpass Transparent Optical Networks solution consists of the DWDM platforms Surpass hiT 7300, Surpass hiT 7500 and the management system TNMS. The manufacturer said its solution yields lower costs due to its full-channel optical add/drop multiplexer capabilities and photonic cross-connects, enabling remote configuration of a path without the need to access the network while staying all-optical through multiple add/drop nodes. Another feature of the solution is the simplification of installation, provisioning and maintenance operations compared to current systems. The Siemens system also features transponders that are tunable over the full wavelength band, resulting in quicker wavelength provisioning for customers as there is no need to custom order ‘colours’ of light.
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