Tata TGN-Pacific submarine cable

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The invisible infrastructure of global connectivity

The Tata TGN-Pacific is a transpacific submarine cable system with a unique self-healing ring topology. It connects Japan and the USA via two independent submarine paths: the northern route runs from Emi (Chiba, Japan) to Nedonna Beach (Oregon), the southern route from Toyohashi (Aichi, Japan) also to Oregon. Both routes each carry eight fiber pairs and automatically switch to the alternative path in the event of a cable failure.

This design makes TGN-Pacific one of the most resilient transpacific cables available. With a total length of 22,300 kilometers and an estimated design capacity of up to 77 Tbit/s after 100G upgrade, it is one of the highest capacity existing systems on this route.

Route & connection

TGN-Pacific connects Emi (Chiba, Japan) and Toyohashi (Aichi, Japan) with Nedonna Beach (Oregon, USA) via two separate underwater paths. Further landing points are located in Hermosa Beach (California, USA) and Piti (Guam). At the Japanese landing points, there is a direct connection to the TGN Intra-Asia network with links to Singapore, Hong Kong, the Philippines and Vietnam. The total length of both cable lines is 22,300 kilometers.

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Awards for Outstanding Performance

Tata TGN-Pacific submarine cable

Technology & capacity

TGN-Pacific was built by Tyco Telecommunications (now SubCom) and was the world premiere for two pioneering fiber optic technologies. The system has been running with 100G coherence technology since 2014.

Self-healing ring topology: Two independent underwater paths with automatic switchover in the event of failure
UltraWave SLA/IDF fiber pairing: First commercial use of this technology worldwide – model for future systems
8 fiber pairs per cable harness: Up to approx. 77 Tbit/s design capacity after 100G upgrade with Ciena GeoMesh
45 km repeater distance: Optimum signal quality over the entire transpacific route.

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Provider Overview

SAVECALL as access to Tata TGN-Pacific

TGN-Pacific is the only fully private transpacific cable system with self-healing ring topology, and one of the few systems to deliver true automatic resilience on this route without the need to separately procure a second cable. SAVECALL negotiates directly with Tata Communications as the sole owner and knows the technical and commercial details of this system in depth. We transparently benchmark TGN-Pacific against all available transpacific alternatives, from FASTER to SJC2, and recommend the solution that fits your latency, redundancy and cost profile. For companies with locations in Japan, the USA and other APAC markets, TGN-Pacific is one of the strongest strategic options in the transpacific market.

The result for our customers: