This is a visual explainer based on the Wikipedia article on TAT-9. Read the full source article here. (opens in new tab)

TAT-9: The Digital Arteries of the Atlantic

An in-depth exploration of the groundbreaking TAT-9 transatlantic fiber optic cable system, detailing its technology, capacity, and historical significance in global telecommunications.

What Was TAT-9? 👇 Explore Technology 💡

Dive in with Flashcard Learning!


When you are ready...
🎮 Play the Wiki2Web Clarity Challenge Game🎮

Overview

A Vital Link

TAT-9 represented a significant advancement in intercontinental communication infrastructure. As the ninth transatlantic telephone cable system, it was instrumental in connecting Europe and North America during the early 1990s, facilitating robust and high-capacity voice and data transmission.

Unprecedented Capacity

Operational from 1992 to 2004, TAT-9 achieved a remarkable data transmission rate of 560 Megabits per second (Mbit/s). This capacity was equivalent to supporting approximately 80,000 simultaneous telephone circuits, a substantial leap from previous generations of undersea cables.

Strategic Landing Points

The system's architecture was designed for resilience and flexibility, with strategic landing points across two continents. These included locations in the United Kingdom, France, and Spain in Europe, and key points in the United States and Canada in North America.

System Specifications

Transatlantic Network

TAT-9 established crucial connections between five distinct geographical locations:

  • Europe: Goonhilly Downs, United Kingdom; Saint-Hilaire-de-Riez, France; Conil de la Frontera, Spain.
  • North America: Manahawkin, New Jersey, United States; Pennant Point, Nova Scotia, Canada.

This multi-point connectivity enhanced network redundancy and accessibility.

Performance Metrics

The cable system operated at a nominal speed of 560 Mbit/s, capable of carrying an estimated 80,000 telephone circuits. This high throughput was essential for meeting the growing demands for international voice and data services in the 1990s.

Operational Lifespan

TAT-9 was a cornerstone of transatlantic communication for over a decade. It was deployed in 1992 and remained operational until its decommissioning in 2004, serving as a critical piece of global digital infrastructure during a period of rapid technological expansion.

Technological Innovations

Fiber Optic Advancement

TAT-9 was a pioneering fiber optic system, operating at 565 Mbit/s. This represented a doubling of the speed achieved by its predecessor, TAT-8, the first transatlantic fiber optic cable. This advancement underscored the rapid progress in optical transmission technology.

On-Demand Traffic Switching

A key innovation of TAT-9 was its ability to switch traffic dynamically between its five landing points. This feature allowed for greater network flexibility, enabling smaller countries within the network to manage their connectivity needs more effectively and accommodate significant fluctuations in demand.

The capacity for on-demand switching was particularly vital. For instance, it allowed the network to efficiently handle the dramatic increase in traffic demands during major international events, such as the 1992 Summer Olympics held in Barcelona.

Undersea Branching Multiplexers (UBMs)

The implementation of traffic switching was made possible by the development of novel hardware: the Undersea Branching Multiplexers (UBMs). These were the first fiber optic switching devices deployed in an undersea environment, representing a significant engineering feat that enhanced the operational capabilities of transatlantic communication systems.

The Consortium

Collaborative Foundation

TAT-9 was not the product of a single entity but rather a collaborative effort. It was constructed and operated by an international consortium comprising major telecommunications providers and suppliers from both Europe and North America.

Key Co-Owners

Prominent telecommunications companies served as co-owners of the TAT-9 system. These included industry giants such as AT&T Corporation, British Telecom, and France Telecom, whose investment and expertise were crucial for the project's realization.

Supplier Network

Beyond the primary co-owners, the consortium also involved various suppliers responsible for the engineering, manufacturing, and installation of the complex undersea cable and associated equipment. This broad participation ensured the project leveraged diverse technological capabilities.

Historical Context

A Successor to TAT-8

Following the successful deployment of TAT-8, the first transatlantic fiber optic cable, TAT-9 emerged as the next evolutionary step. It built upon the foundational technology of its predecessor while significantly enhancing speed, capacity, and network management capabilities.

Meeting Demand Surges

The system's advanced switching capabilities proved invaluable. Its ability to dynamically manage traffic flow allowed it to accommodate significant increases in demand, a critical feature demonstrated during high-profile events like the 1992 Summer Olympics in Barcelona, ensuring reliable connectivity.

Bridging Continents

Serving as a vital digital artery, TAT-9 facilitated the exchange of information between continents for over a decade. Its operational period from 1992 to 2004 marked a significant era in the development of the global telecommunications network, paving the way for future advancements.

Teacher's Corner

Edit and Print this course in the Wiki2Web Teacher Studio

Edit and Print Materials from this study in the wiki2web studio
Click here to open the "Tat-9" Wiki2Web Studio curriculum kit

Use the free Wiki2web Studio to generate printable flashcards, worksheets, exams, and export your materials as a web page or an interactive game.

True or False?

Test Your Knowledge!

Gamer's Corner

Are you ready for the Wiki2Web Clarity Challenge?

Learn about tat-9 while playing the wiki2web Clarity Challenge game.
Unlock the mystery image and prove your knowledge by earning trophies. This simple game is addictively fun and is a great way to learn!

Play now

Explore More Topics

Discover other topics to study!

                                        

References

References

A full list of references for this article are available at the TAT-9 Wikipedia page

Feedback & Support

To report an issue with this page, or to find out ways to support the mission, please click here.

Disclaimer

Important Notice

This page was generated by an Artificial Intelligence and is intended for informational and educational purposes only. The content is based on a snapshot of publicly available data from Wikipedia and may not be entirely accurate, complete, or up-to-date.

This is not professional advice. The information provided on this website is not a substitute for professional consultation regarding telecommunications infrastructure, network engineering, or historical technology analysis. Always refer to official documentation and consult with qualified experts for specific needs.

The creators of this page are not responsible for any errors or omissions, or for any actions taken based on the information provided herein.