Jupiter Submarine Fiber Cable System to Connect Japan and U.S.


Japan-based NTT Communications Corporation (NTT Com) has signed an agreement to construct optical submarine cable connecting Japan and the United States also connecting the Philippines on its way. The cable system named Jupiter will have a large capacity and low latency and will be compatible with 400Gbps optical wavelength division multiplexing transmission system. NTT Com is part of a consortium comprising Softbank, Facebook, Amazon, PLDT and PCCW Global.

The JUPITER cable system on its way to the United States from Japan will have a total length of 14,000 kilometers. The cable system is designed with an initial capacity of 60Tbps (60 Terabits per second). Jupiter will have two landing points in Japan. In Japan, the landing stations are planned to construct in Shima in Mie Prefecture and the Maruyama in Chiba Prefecture. Landing stations in the United States are planned in Los Angeles and California while the landing station in the Philippines will be in Daet.

NTT Com’s Asia Submarine-cable Express (ASE), Asia Pacific Gateway (APG) and Pacific Crossing-1 (PC-1) cables will connect with JUPITER to provide a redundant three-route structure linking major cities in Asia, Japan, and United States with a secure and reliable international network.

Jupiter Submarine Fiber Cable System to Connect Japan and U.S. 1

JUPITER will feature a state-of-the-art submersible ROADM (reconfigurable optical add-drop multiplexer) employing WSS (wavelength selective switch) for a gridless and flexible bandwidth configuration. JUPITER is expected to launch in early 2020 with an initial design capacity of 60Tbps, which will be expanded later to meet rising data demands and complement existing cable systems. JUPITER will be a 400Gbps wavelength-division multiplex (WDM) transmission system deploying the latest fiber and design technologies as the fastest cable between Japan and the United States. It will be capable of transmitting a six-hour high-definition video (about three movies) in one second.

JUPITER will deploy branching units working with WSS ROADM for fast and flexible remote switching of transmission routes. Transmission routes will be quickly switchable to ensure business continuity, including in the event of a natural disaster or other unexpected problem in coastal areas of Japan.

NTT Com will build the new multilayer-security Minamiboso Landing Station in Minamiboso, Chiba Prefecture which will be an extension from the existing Maruyama Landing Station and serve as NTT Com’s JUPITER termination point. The other cable landing station which JUPITER system terminates are well secured as well. JUPITER will also use the existing Shima Landing Station in Shima, Mie Prefecture. NTT Com will provide connection to other cable systems via the Minamiboso and Shima landing stations to maximize transmission route options to support global business expansion by customers.

In addition, NTT Com will connect the Minamiboso Landing Station with data centers in Tokyo and the Shima Landing Station with data centers in Osaka, via low-loss optic fiber to enlarge the transmission capacity within Japan. Also, NTT Com will directly maintain and operate its landing stations in Minamiboso, Shima and Los Angeles to maximize service quality between Japan and the United States.

To meet the growing demands for traffic, including internet, cloud services and coming 5G wireless communications, NTT Com is steadily expanding its cable capacity in Asia and the Trans-Pacific, including by connecting multiple cable systems to its own data centers and enhancing cable redundancy, to offer highly reliable global network services. At the same time, NTT Com will further support the business-expansion initiatives of customers by merging its data center, cloud and network services.

Jupiter cable system is scheduled for completion by the year 2020. Tokyo will host the Olympics in 2020.

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