Fujitsu upgrades Japan-U.S. cable network

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Fujitsu Limited on Friday announced that it has successfully completed an upgrade of the Japan-U.S. cable network, a submarine fiber-optic cable system spanning the Pacific Ocean. Fujitsu’s state-of-the-art technology allows the network to carry a capacity of more than 1.28 terabits per second (Tbps), doubling the original design capacity of 640 gigabits per second (Gbps) to support growing demand for high-speed, high-capacity trans-Pacific communications.

To realize the upgrade, Fujitsu replaced legacy optical communications equipment with its high-performance FLASHWAVE S650 series in six landing points – three each in the U.S. and Japan. The submerged portion of the network remained unchanged. The upgrade began shortly after Fujitsu signed the contract with Japan-U.S. CN Owners’ consortium in May 2007.

The consortium represents the telecommunications carriers AT&T Corp, Cable and Wireless, KDDI Corp, NTT Communications Corp, Qwest Communications International Inc, Reach Global Networks Ltd, Softbank Telecom Corp, and Verizon Business.