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www.sea-technology.com February 2016 / st 13 deep-sea imaging system. Originally developed to expand the frontiers of deep-sea biochemistry and benthic image surveying in underexplored regions of the Gulf, the fex- ible MILET instrumentation system can be used on a wide array of vessels and can carry the latest camera, sonar and sensor technology. The toolsled is empowered by a winch and telemetry system solution supplied by MacArtney. The telemetry part of the system comprises a built-to-order, plug-and-play NEXUS MK C multiplexer, or "mega mux" due to its vast number of connectivity and instrumentation options. The advent of high-resolution digital cameras, high- bandwidth data exchange and improved acoustic navi- gation, all interfaced by the NEXUS MK C multiplexer, makes the use of a lowered deep-sea imaging system more effcient and powerful, giving scientists immediate access to high-quality results to visualize the consequences of disaster. NEXUS MK VII A more modular multiplexer was developed in 2015, the NEXUS MK VII. Its confguration changed simply by adding or removing circuit boards and changing the wir- ing. The NEXUS MK VII is highly confgurable and allows for an easy upgrade/modifcation path when operational or when application requirements change. Multiplexer options can be installed between jobs or even at sea with- out the need for an electronics workshop. As a standard, all the NEXUS multiplexers subsea hous- ings are manufactured from hard anodized aluminium, and from titanium for 6,000-m versions. Connectivity in- terfaces include SubConn anodized aluminium connec- tors, SubConn Coax (HD video) connectors and a MacArt- ney OptoLink fber-optic connector. Conclusion Gathering high-quality data from the abyss is an im- mense undertaking that requires ensuring that multiple sensor and equipment types work in perfect unison and that all data are effciently transmitted to the surface for analysis. Together with MacArtney's highly versatile data ac- quisition solutions, the NEXUS multiplexers and telem- etry systems have demonstrated proven performance and come with support provided by MacArtney teams with specialist knowledge and expertise. ST Jes Højlund is a system sales manager with the Ma- cArtney Group with signifcant experience in the underwater industry. His focus is on the sales of telemetry systems, sonar equipment and camera/ light products. He has a master's from Fanø Nautical School and has held previous positions in the mer- chant navy and Svitzer Survey & Diving. Dr. Ole Aarup Mikkelsen is a physical geographer who earned his Ph.D. in 2001. He has held ocean science postdoc positions in Canada and the U.K. He is a system sales manager at MacArtney, with ex- perience in ocean science, dynamic sedimentology, marine optics, instrumentation development, product management, and international sales management. OSIL Salinity Measurement – The complete solution for high quality salinity data • IAPSO Standard Seawater • High precision salinometers • Operator training courses • Salinometer service and repair • Worldwide distribution & support T: +44 (0)2392 488240 / E: osil@osil.co.uk / www.osil.co.uk