Telstra boosts connectivity between Australia and the world with Southern Cross NEXT subsea cable



  • The new single span subsea cable is the industry's first direct link between Sydney and Los Angeles, offering low latency and a massive 72Tbps of capacity
  • SX NEXT cable will be ready for service in July 2022, providing an additional route that connects Australia, New Zealand, the Pacific Islands and the US

TAIPEI, TAIWAN - Media OutReach - 12 May 2022 - Telstra today announced that the first direct subsea cable to connect Australia with the US will be ready for service in July 2022. The Southern Cross NEXT cable (SX NEXT) will enhance connectivity between Australia and New Zealand and the US, with branching units to Fiji, Kiribati, and Tokelau. Telstra is a 25 per cent shareholder of the Southern Cross Cables Network (SCCN), the owner of SX NEXT.

SX NEXT will be the first single span express cable, and the first direct cable, to connect Australia to the US, making it the shortest subsea route. It is also the only cable that has landing stations in Tokelau and Kiribati in the Pacific Islands. SX NEXT has a four-fibre pair cable system capable of transporting 72Tbps, a remarkable addition to the current bandwidth and connectivity options linking Australia and the South Pacific Islands to the US. The cable is built using up to 400G Dense Wavelength Division Multiplexing (DWDM) technology and purpose-built landing stations, which will deliver high-speed connectivity and low latency between countries, as well as a resilient network infrastructure for the Pacific region.

When SX NEXT launches, it will lead to a major improvement in internet quality and internet penetration across the Oceania. Allowing different data streams to be sent simultaneously over a single optical fibre network will enable a higher data transfer rate and optimise network investment. As a result, the faster connectivity, stability and resiliency provided by SX NEXT will help accelerate digital transformation for businesses across the region.

There are 12 international submarine cables connecting Australia to the rest of the world, and the SX NEXT cable will be the third cable in the SCCN ecosystem. The SX NEXT cable is among the largest single submarine cable infrastructure projects in the world which spans approximately 15,857 kilometres along the sea floor. SX NEXT complements the existing Southern Cross and Endeavor-AAG cable systems in connecting Australia and the US. The redundancy of the Southern Cross cables with SCCN creates seamless, efficient paths from Australia into Asia-Pacific, the US, and beyond.

Oliver Camplin-Warner, Telstra International CEO said Telstra was delighted to have partnered with SCCN to launch the new subsea cable SX NEXT.

"With the rise of cloud-based services and hybrid remote working models, connectivity with diversity and reliability is more critical than ever to ensure constant uptime and uninterrupted services. We will continue to innovate on our network infrastructure and work with our industry partners on providing more accessible, faster and more stable connectivity to our customers, enabling them to connect with the rest of the world.

"The SX NEXT cable will strengthen Telstra's existing subsea network infrastructure – one of the largest in the Asia-Pacific region – and solidify our commitment to connecting people and communities from Australia and the Pacific Islands to the US and around the world."
About Telstra
About Telstra
Telstra is a leading telecommunications and technology company with a proudly Australian heritage and a longstanding, growing international business.

Today, we operate in over 20 countries outside of Australia, providing services to thousands of business, government, carrier and OTT customers. Telstra Enterprise is a division of Telstra that provides data and IP networks and network application services, such as managed networks, unified communications, cloud, industry solutions and integrated services.

Telstra Purple, our new professional and managed services business in Australia, Asia and the UK, brings together people and innovative solutions to define and deliver a clear vision of our customers' transformation journey, network foundation, and the protection they need to thrive.

These services are underpinned by our subsea cable network, one of the largest in the Asia Pacific region, with licenses in Asia, Europe and the Americas, and access to more than 2,000 Points-of-Presence around the world.

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13 May 2022

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