The South-East Asia Japan Cable System (SJC) is a consortium Intra-Asia submarine cable system linking up to 7 countries / territories in Asia. The SJC cable consists of 6 fiber pairs, with an initial design capacity of 28 Tbps. The SJC cable system utilizes the state-of-the-art advanced 40G SLTE and OADM Branching technologies.  The SJC is operational on June 27,2013.


Cable System:

  • South-East Asia Japan Cable System, or SJC

Cable Length:

  • 8,900 Km for initial 6  countries / territorie configuration
  • 9700 km including Thailand spur

Design Capacity:

    • 28 Tbps
    • 6 fiber pairs

Lit Capacity:

Ready for Service Date:

  • June 27, 2013

Investment Type:

  • Consortium


  • Brunei International Gateway Sendirian Berhad (BIG)
  • China Mobile
  • China Telecom
  • China Telecom Global Limited
  • Donghwa Telecom (wholly-own Hong Kong-based subsidiary of Chunghwa Telecom)
  • Globe Telecom
  • KDDI Corporation
  • Singapore Telecommunications Limited (SingTel)
  • PT Telekomunikasi Indonesia International (Telin)
  • Google
  • TOT Public Co., Ltd. (TOT)

Initial Investment:

  • US$ 400 million

Landing Stations:


  • TE SubCom
  • NEC

SJC Cable Map:

SJC Cable Route