NEC’s Breakthrough In Submarine Cable Transmission

NEC Corporation has achieved a record 800 Gbps transmission over 2,100 km using an optical submarine cable system.

Field trial route
Field trial route

Using a novel transponder, NEC Corporation has effectively concluded a field test for an optical submarine cable system over a long distance. Based on NEC’s research, this transponder achieves a global-leading transmission performance of 800 gigabits per second (Gbps).

The field trial utilized the Indonesia Global Gateway (IGG) optical submarine cable, owned by PT Telkom Indonesia (Persero) Tbk (Telkom) – the country’s leading telecommunications provider. This test was facilitated using NEC’s newest transponder, the XF3200. During the trial, NEC achieved an optical transmission of 800 Gbps signals spanning 2,100 km, marking the most extended distance documented.

In the test, the XF3200 transponder delivered a transmission capacity about 30% greater than existing NEC products, positioning it perfectly to cater to the growing global communication needs. Moreover, its innovative design and incorporation of cutting-edge technologies ensure it is space-efficient, energy-saving, highly scalable, and offers flexible maintenance. These features collectively reduce the overall cost of ownership.

“We thank Telkom Indonesia for their full support in obtaining this kind of result for the first time in the world,” said Yoshihisa Inada, Senior Director, Submarine Network Division, NEC Corporation. “This achievement is a confirmation of NEC’s leadership in ultra-high optical transmission systems and we will continue to explore the limits of even greater subsea capacity, flexibility and cost-effectiveness.”

NEC has been a valued collaborator in our submarine cable endeavors for many years. This field trial underscores the continued advancement in NEC’s top-tier submarine optical transmission technology, positioning it to address the rising traffic needs across Indonesia.



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