C-Lion1 is a submarine communications cable between Finland and Germany. The cable is owned and operated by the Finnish telecommunications and IT services company Cinia Oy.[1] It is the first direct communications cable between Finland and Central Europe; previous connections have been through Sweden and Denmark.
| C-Lion1 | |
|---|---|
 | |
| Owners: Cinia Oy | |
| Landing points | |
| Total length | 1,173 kilometres (729 mi) |
| Design capacity | 120 Tbit/s |
| Currently lit capacity | 144 Tbit/s |
The cable operated from May 2016 until November 2024, when it was damaged. Some officials suspect it was an act of sabotage.[2]
The cable is 1,173 kilometers long and has eight fiber pairs with a design capacity of 120 Tbit/s and a maximum capacity of 144 Tbit/s.[3][4][5]
History
editAlcatel Submarine Networks commenced the installation of the cable in October 2015, completing the process in January 2016. The cable entered commercial operation in May 2016.
In October 2017, a network switch was installed to the Finnish port city of Hanko.[6]
Fault in 2024
editA fault was detected in the cable on 18 November 2024,[7] after which the services provided over the cable went down. According to Cinia Oy, the cable was interrupted was by an unknown outside physical force subsea.[2] The fault was discovered off the coast of the Swedish island of Öland.[8]
German Federal Defense Minister Boris Pistorius called the incident an act of sabotage.[7] As of 19 November 2024, the cause of the fault is being investigated.[9][8]
The Lithuanian Naval Force announced increased surveillance of its waters in response to the damage and would discuss further measures with Lithuania its allies.[7]
Landings points
editC-Lion1 has landing points in:
See also
edit- Balticconnector § 2023 damage incident – a natural gas pipeline between Finland and Estonia that was damaged a year earlier
References
edit- ^ "Network projects". www.cinia.fi. Retrieved 19 November 2024.
- ^ a b "Sabotage suspected after Baltic Sea telecoms cable C-Lion1 suddenly stops working". Sky News. Retrieved 2024-11-19.
- ^ Greif, Björn (2016-01-12). "Neues Unterseekabel verbindet Deutschland und Finnland" [New submarine cable connects Germany and Finland]. ZDNet.de (in German). Retrieved 2019-04-23.
- ^ Haaramo, Eeva. "Helsinki to Frankfurt in 20 milliseconds: The Baltic cable that's breaking data speed records". ZDNet. Retrieved 2019-04-23.
- ^ "Submarine Data Cable to Link Germany and Finland". eco. Retrieved 2019-04-23.
- ^ "Cinia, C-Fiber Hanko team for extension of C-Lion-1 submarine network". www.lightwaveonline.com. 22 December 2016. Retrieved 2019-04-23.
- ^ a b c Bryant, Miranda (2024-11-19). "We assume damage to Baltic Sea cables was sabotage, German minister says". The Guardian. ISSN 0261-3077. Retrieved 2024-11-19.
- ^ a b "Germany suspects sabotage behind severed undersea cables". BBC. 19 November 2024. Retrieved 19 November 2024.
- ^ "A fault in the Cinia C-Lion1 submarine cable between Finland and Germany". www.cinia.fi. 18 November 2024. Retrieved 2024-11-18.
External links
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