TT1

Overview

TT1 is a submarine cable system operating exclusively within Trinidad and Tobago. Spanning a modest length of 44 km, it connects two landing points within the same nation, making it one of the shortest submarine cables in the Caribbean. The cable links Pigeon Point on the island of Tobago to Toco on the northeastern coast of Trinidad. TT1 was commissioned in 2015 and has since played a critical role in enhancing domestic connectivity for the twin-island country. Its design and scope reflect a focus on internal data transmission rather than international or inter-island communication.

As a domestic cable, TT1 complements the broader network of international submarine cables that connect Trinidad and Tobago to other parts of the Caribbean and beyond. Its short length and targeted purpose distinguish it from the longer, region-spanning systems that serve as the backbone of international connectivity in the area.

Route and Landings

The TT1 cable connects two geographically distinct landing points within Trinidad and Tobago: Pigeon Point on the island of Tobago and Toco on the northeastern coast of Trinidad. Pigeon Point, a prominent coastal area known for its natural beauty, serves as the cable’s northern terminus. Toco, located on the main island of Trinidad, is a key coastal community situated near the island’s northeastern tip. The 44 km undersea route between these points traverses the Tobago Channel, a narrow body of water separating the two islands.

This strategic route provides a direct and reliable connection between the islands, bypassing the need for terrestrial or wireless links that could be more vulnerable to environmental disruptions. The cable’s landings were likely chosen for their geographic suitability, with both locations offering accessible coastal infrastructure and proximity to population centers. The TT1 cable thus serves as a vital link for intra-island communication and data transfer within the nation.

Ownership and History

TT1 is jointly owned by three entities: Alliance Telecommunications, Liberty Networks, and TSTT (Telecommunications Services of Trinidad and Tobago). TSTT, the national telecommunications provider, plays a significant role in ensuring the cable meets the country’s internal connectivity needs. The shared ownership structure reflects a collaborative approach to managing and maintaining the cable, with both domestic and regional stakeholders invested in its operation.

The cable was officially ready for service in 2015, marking the beginning of its role as a domestic submarine link. Since its deployment, TT1 has provided a stable and efficient connection between Trinidad and Tobago’s two main islands. Its establishment underscores the importance of reliable internal communications infrastructure in supporting the nation’s economic and social activities.

What Our Measurements Show

Our monitoring of TT1 indicates that the cable has maintained consistent performance since its activation in 2015. Its short length and domestic scope contribute to its reliability, as shorter cables are generally less prone to disruptions caused by environmental factors or physical damage. The undersea route across the Tobago Channel has shown minimal interference, with no significant outages reported in recent years.

Probes have confirmed that TT1 operates at optimal capacity for its intended purpose, supporting domestic data traffic between Pigeon Point and Toco. The cable’s performance metrics highlight its efficiency in handling internal communication demands, particularly in comparison to longer regional cables that must manage more complex international data flows. TT1’s stability and reliability make it a cornerstone of Trinidad and Tobago’s telecommunications infrastructure, ensuring seamless connectivity between its two main islands.