Electrical / Optical Flying Lead (EOFL) for Subsea Cabled Instrument Network Presenter

Ocean Networks Canada (ONC) is an international facility hosted and owned by the University of Victoria (UVic), and managed and operated by the ONC Society, a not-for-profit established in 2007. The NEPTUNE and VENUS observatories, operated by ONC, provide critical long-term ocean observing and ocean science capacity. ONC collects and provides data needed to address pressing scientific and policy issues. The cabled infrastructure supplies continuous power and Internet connectivity to a broad suite of subsea instruments from coastal to deep-ocean environments. In 2009, ONC identified the need to daisy chain instrument platforms at a few of our locations to allow for an increased number of instrument platforms without running additional cables back to our nodes. The use of fibre optic cables allow data transmission over great distances but do require the addition of in-line media convertors and in some cases power up to 400 VDC between ONC junction boxes. In 2015 ONC approached Teledyne Oil and Gas - ODI to provide this specialized Electrical / Optical Flying Lead (EOFL) capable of the media conversions and power requirements of the ONC network. Four units were delivered and installed in 2016 of of Canada's west coast. ONC will discuss the sequence of this tool development and its field results to date.

Presented by Ian Kulin
Ocean Networks Canada

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