The Asia Pacific Cable Network (APCN)  is a 12000km pan-Asia submarine cable system linking Japan, Korea, Taiwan, Hong Kong, the Philippines, Indonesia, Singapore, Malaysia and Thailand. The Asia Pacific Cable Network (APCN) consists of two fiber pairs, with a design capacity of 5 Gbps (2xSTM-16). APCN is the first SDH-enabled submarine cable in APAC region, ready for service in January 1997.

The APCN has a one fiber pair extension cable to Australia, linking Jakarta (Indonesia) with Port Headland (Australia) through the Lombok Strait. The APCN Australian Extension is also know as the Jasuruas cable system.

The APCN Consortium comprises

• KDDI

• Korea Telecom

• Chunghwa Telecom

• Cable & Wireless (Reach)

• PLDT

• SingTel

• Telekom Indonesia

• CAT Thailand

• Telstra

The APCN cable lands at the following cable landing stations: 

• Miyazaki, Jepang, KDDI

• Pusan, Korea, Korea Telecom

• Toucheng, Taiwan, Chunghwa Telecom

• Lantau, Hong Kong, Reach

• Batangas, Philippines, PLDT

• Mersing, Malaysia, Telecom Malaysia

• Changi, Singapura, Singtel

• Petchaburi, Thailand, CAT

• Ancol, Jakarta, TeleKom Indonesia

• Port Hedland, Australia, Telstra

The APCN cable system was supplied by KDD-SCS, AT&T-SSI, Alcatel Submarine Networks, with an investment of approximately USD500 million.

The other earlier optic fiber submarine cable systems in APAC region includes:

• Trans Pacific Cable-3 (TPC-3), linking Japan and US. The route length is 13400km and the system capacity is 280Mbps.
• Trans Pacific Cable-4 (TPC-4), linking Japan and US. The route length is 9800km and the system capacity is 560Mbps.
• Trans Pacific Cable-5 (TPC-5) , linking Japan and US. The route length is 22500km and the system capacity is 5Gbps.
• Asia Pacific Cable (APC), linking Japan, Korea, Taiwan, Hon Kong, Malaysia, and Singapore. The route length is 7500km and the system capacity is 560Mbps.
• Fiberoptic Link Around the Globe(FLAG, or FLAG Europe Asia, or FEA), linking Japan, Northeast-Southeast-Southwest Asia, Middle East, Mediterranean and North Europe. The route length is 27000km and the initial system capacity is 5Gbps.