Samoa Optical Cable Specifications

Samoa's optical submarine cable network includes the ASH, SAS, Tui-Samoa, and Manatua systems, providing high-capacity fiber-optic connectivity with inter-island and international links.ASH and S...

Samoa Optical Cable Specifications

Samoa's optical submarine cable network includes the ASH, SAS, Tui-Samoa, and Manatua systems, providing high-capacity fiber-optic connectivity with inter-island and international links.

ASH and SAS Cables

The America Samoa–Hawaii (ASH) Cable connects Samoa to American Samoa and Hawaii, forming Samoa's primary international link to global networks. It consists of two fiber-optic cables and leverages the former PACRIM East cable route, providing significantly higher capacity than previous systems . The Samoa–American Samoa (SAS) Cable is a point-to-point fiber-optic link between Apia and Pago Pago, serving as both a primary data route and redundancy for neighboring systems . These cables collectively support Samoa's growing bandwidth demand, which is projected to reach 30 Gbps by 2028 .

Tui-Samoa Cable

The Tui-Samoa submarine cable connects Apia, Samoa, to Suva, Fiji, with landing stations at Savusavu, Wallis and Futuna, and Savai'i. It is designed to provide high-quality, resilient connectivity across the South Pacific, supporting wholesale capacity for local ISPs and ensuring network diversity and redundancy . The system uses state-of-the-art fiber-optic technology to deliver fast and reliable internet services.

Manatua Cable

The Manatua Consortium Cable links Samoa, the Cook Islands, Niue, and French Polynesia, with each fiber pair capable of operating at up to 10 terabits per second. This system enhances regional connectivity and provides spurs to Savaii and Wallis & Futuna, integrating Samoa into a broader South Pacific network . The Manatua cable is operated under a cooperative sustainable wholesale model to ensure open access and affordable bandwidth.

Technical Highlights

  • Fiber Type: Submarine fiber-optic cables with multiple fiber pairs for high-capacity transmission.
  • Capacity: Minimum 1 terabit per second for new systems, with Manatua fiber pairs supporting up to 10 Tbps .
  • Redundancy: Inter-island links and multiple landing points provide network resilience.
  • Landing Points: Apia (Samoa), Pago Pago (American Samoa), Suva (Fiji), Savusavu, Wallis and Futuna, Savai'i.
  • Operational Model: Wholesale capacity provision to ISPs, supporting competitive pricing and broad internet access .

Connectivity Impact

These submarine cables enable Samoa to meet increasing bandwidth demands, support mobile and fixed-line services, and provide redundancy to maintain continuous internet access. Major ISPs like BlueSky Samoa, Digicel Samoa, and CSL utilize these systems for both domestic and international connectivity . The domestic backbone is primarily underground fiber-optic, complemented by microwave links in less populated areas, ensuring resilience against natural hazards. Samoa's optical cable infrastructure positions the country for sustainable ICT growth, regional integration, and improved access to global digital services.

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