Vietnam's largest capacity submarine cable line comes into operation

Asia Direct Cable (ADC) submarine optical cable has a maximum capacity of 50Tbps - Photo: DUC THO

On April 16, Viettel Networks Corporation announced that it had just put into operation the Asia Direct Cable (ADC) submarine optical cable line with the largest capacity in Vietnam.

ADC is an undersea optical cable system with a length of about 9,800km, connecting 7 countries and territories including Vietnam, China, Hong Kong, Thailand, Philippines, Singapore and Japan.

The maximum capacity of ADC is 50Tbps, the largest in Vietnam and equal to 125% of the total international connection capacity of all 5 active submarine optical cable lines (IA, AAE-1, APG, AAG, SMW-3). ADC also has a higher speed than previous systems.

Compared to Vietnam's existing submarine cable lines, ADC has the unique feature of directly connecting to all three Internet centers in Asia: Singapore, Hong Kong and Japan.

Viettel said it will initially put into use part of the capacity on the ADC route to improve international connectivity, meet new data needs and improve customer experience when using Internet services.

With ADC, Viettel increases the international connection reserve, increases the number of cable routes and international connection directions, ensuring Vietnam's connection needs when there is a submarine optical cable break.

ADC submarine cable has an investment capital of 290 million USD

The Military Industry and Telecommunications Group (Viettel) owns the entire submarine cable branch connecting Vietnam and the landing station in Quy Nhon, along with part of the main international axis. Viettel Networks is the operating unit.

The total investment capital for the entire ADC line is up to 290 million USD with the cooperation of 9 leading telecommunications corporations including Viettel (Vietnam), Softbank (Japan), Tata (India), Singtel (Singapore), China Telecommunications Corporation, China Telecom Global, China Unicom (China), National Telecom (Thailand), PLDT (Philippines). Viettel is the only unit in Vietnam participating in investing in this cable line.

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Source: https://tuoitre.vn/tuyen-cap-quang-bien-dung-luong-lon-nhat-viet-nam-di-vao-hoat-dong-20250416113214142.htm