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Optical communication system for JAMSTEC-SSDEV-0614
Optical communication system for JAMSTEC-Graviton Co., Ltd.

Optical communication system for JAMSTEC
Graviton Co., Ltd.


About This Product

In 2008, JAMSTEC's small, deep-depth unmanned exploration vehicle "ABISMO", equipped with our proprietary optical communication system, successfully conducted a diving test in the world's deepest part, the Challenger Deep in the Mariana Trench (approximately 11,000m deep). .

■Controlling the launcher and vehicle is achieved with just one cable.

・One optical fiber (between mother ship and launcher) ・One coaxial cable (between launcher and vehicle) The launcher stores and retains the vehicle and the sampler during the dive from the surface to the deep sea and during the ascent to the surface from the deep sea. In the deep sea, the vehicle can detach from the launcher and investigate the ocean floor. The launcher also functions as a relay between the equipment onboard the Kairei and the vehicle. The vehicle is connected to the launcher by a cable with a total length of 160m, and as long as the length of the cable allows, the vehicle can survey the ocean floor using the on-board camera while cruising under the launcher.

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    Optical communication system for JAMSTEC

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1 Models of Optical communication system for JAMSTEC

Image Part Number Price (excluding tax) Communication speed Multiplexing method Light receiving sensitivity Voltage monitor terminal proportional to received light intensity Optical wavelength (downlink) Optical wavelength (uplink) Downlink (above ship → underwater part) logic input/output Downlink (upper part of the ship → underwater part) RS485 Downlink (upper part of the ship → underwater part) RS232C Uplink (underwater → above ship) logic input/output Uplink (underwater → upper part of the ship) RS485 Uplink (underwater → upper part of the ship) RS232C Uplink (Underwater→Upper ship) NTSC Uplink (Underwater→Upper ship) HD-SDI
Optical communication system for JAMSTEC-Part Number-SSDEV-0614

SSDEV-0614

Available upon quote

2.97Gbps (both up and downlink)

Time division

-30dBm

0~5V

1.55μm

1.3μm

8CH

2CH

4CH

8CH

2CH

4CH

3CH

1CH

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