Electrical/Optical Flying Lead (EOFL)


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​The Electrical Optical Flying Lead (EOFL), part of the Active Flying Lead product line, features a Nautilus Rolling Seal Hybrid connector on one side, and a 7- or 12- way Nautilus electrical connector on the other, with a qualified integrated electrical/optical converter within the pressure balanced, oil-filled hose (PBOF). The electro-optical components are housed in a 1 ATM enclosure and protected on one side by glass to metal seal penetrators, and a hermetic fiber penetrator on the other.

The EOFL converts an electrical signal to a fiber optic signal, currently allowing up to 100 Mbit/sec data speed over 2 twisted pairs to be converted to one single fiber. ​​

The EOFL is designed with a modular power converter, which allows for different power inputs to be used without redesign, increasing flexibility in project requirements and reducing development time and costs.​

Key features

  • Rated for 6,000 psi and 4,000 m
  • Two dedicated electrical circuits can be used to pass power through the jumper
  • Can be powered from the electrical side where 4 power circuits are available
  • 30 year life


  • ​Allows the use of electronics integrated inline with the jumper
  • Reduces the need for additional subsea equipment such as converters or routers
  • Simplifies subsea field architectures, saving cost and lowering risk

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