TGN-Intra Asia Cable System (TGN-IA) is a private Intra-Asia submarine cable system constructed, owned and operated by Tata Communications. The TGN-IA cable spans 6800 km, consists of 4 fibre pairs linking Singapore, Hong Kong, and Japan with an additional connection to the Philippines, Vietnam and Guam, with a design capacity of 3.84 Tbit/s. The TGN-IA cable route was deliberately designed to avoid areas prone to earthquakes and other hazardous areas, such as south and east coast of Taiwan Island. The TGN-IA cable system was put into service on August 18, 2009 immediately after its commission test to facilitate capacity for traffic restoration caused by the Typhoon Morakot.


Cable System:

  • TGN-Intra Asia Cable System, or TGN-IA

Cable Length:

  • 6800 Km

Design Capacity:

  • 3.84 Tbps
  • 4 fiber pairs, each of 96x10 Gbps DWDM

Lit Capacity:

  • 650 Tbps (as of RFSD in August 2009)

Ready for Service Date:

Investment Type:

  • Private


  • Tata Communications

Initial Investment:

  • US$ 200 million

Landing Stations:


  • Tyco Telecommunications

TGN-Pacific Cable Map:

TGN-IA Cable Map