Rostelecom announced technical readiness to begin commercial operation of the second stage of the new Trans-Eurasian fiber-optic communication line (FOCL) TEA NEXT with a length of 765 km, laid between St. Petersburg and Moscow. According to the press release, the high potential of the line allowed the company to use two fibers of the super-productive line for its own needs already at this stage.
TEA NEXT will extend from the western to the eastern borders of Russia with links to the largest cities and access to the Russian borders with Mongolia and China, as well as to the landing station in Nakhodka. To implement the project, domestically produced components are used. On the finished sections of the TEA NEXT line Idritsa – Torzhok, Moscow – St. Petersburg, the company offers for rent dark fibers and 100 Gbit/s channels with the possibility of placing customers’ own active equipment along the fiber-optic line.
For the line, according to the company, for the first time in the country, optical fibers of the G.654E category with ultra-low losses (ULL) are used, which provide data transmission with a total throughput of 19.2 Tbit/s, and can also be used for all promising DWDM backbone equipment technologies . The design capacity of the fiber-optic line is 96 dark fibers, which will be used as a transit resource for communication between Asia and Europe and by Russian operators.
The project is particularly important for China's connectivity with Europe, as it will offer a viable alternative to the maritime cable systems running through the Indian Ocean and Egypt, some of which were recently damaged. At the moment, more than 1,300 km of routes have already been completed in the European part of the Russian Federation. Construction of the first stage was completed at the end of 2022; in December 2023, construction of the third stage, 6,300 km long, began – between Torzhok and Kyakhta (Republic of Buryatia) on the Russian border with Mongolia. It is planned to be completed by the end of 2025.
The President of Rostelecom said that the TEA NEXT project is designed to meet the rapidly growing needs of market participants for fiber-optic infrastructure for the development of the digital economy of Russia, allowing the formation of a fundamentally new market for the provision of telecommunications infrastructure as a service for the company’s customers.
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