The RJCN(or Russia-Japan Cable Network) is a 1800-km submarine cable system with diverse cable routes connecting Japan and Russia, with a design capacity of 640 Gbps. The RJCN was ready for service on September 5 2008. By interconnecting with the Transit Europe Asia (TEA) terrestrial cable, the RJCN and the TEA can offer the shortest latency (approximately 196 ms) between Tokyo and London. And 10 Gbps transparent wavelength is available on the RJCN and TEA route.

System Profile

Cable System:

  • RJCN, or Russia-Japan Cable Network

Cable Length:

    • 1800 Km, each of 900 Km over both south and north cable routes

Design Capacity:

  • 640 Gbps

Lit Capacity:

  • 40 Gbps

Ready for Service Date:

  • September 5, 2008

Investment Type:

  • Consortium

Initial Investment:

  • US$ 60 million for upgrade in 2011


  • Rostelecom
  • KDDI

Landing Stations:


  • NEC