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Ethernet Flying Lead

  • ODI

Overview

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EFL Image
EFL Jumper

​Key Features:

  • Ethernet Jumpers up to 100m in length
  • Single or Dual channel redundant Ethernet
  • 7- or 12- way
  • Qualified 100BASE-T performance up to 100 Meters.
  • Patented custom Ethernet cable for use in Pressure Balanced Oil-Filled Hose (PBOF)
  • 30 year life

Qualified 100m Subsea Ethernet jumpers designed for data transmission and real-time situational awareness and monitoring. The typical Ethernet harness system consists of wet-mateable, Nautilus connectors, Nautilus penetrators, and pressure balanced, oil-filled (PBOF) hose conduits. Internally, the Ethernet signals are transmitted over custom Ethernet cabling sealed to seawater ingress by two independent barriers. Seven and 12-way configurations are available. Subsea connection of the harnesses may be accomplished by ROV, Diver-Mate or Stab-Plate applications. For Ethernet needs above 100 meters, see Extended Ethernet Flying Leads.

Specifications

General Specifications

Max Operational Depth Pressure Balanced: 6400 m (10,000 psi)
Max Operational Differential Pressure, bar (psi): 7-way:Receptacle 259 (3750) – Plug 338 (4900); 12-way
Receptacle 224 (3250) – Plug 303 (4400)
Operational Temperature: Seawater:-5°C to +40°C; Air: -25°C to +50°C
Storage Temperature:-40°C to +60°C
Subsea Mate/De-mate Cycles:1000 total cycles maximum after factory testing; 200 cycles maximum in turbid seawater conditions
Maximum Mate/De-mate Force:
< 500N (112 lb-f)
Minimum De-Mate Force: 98N (22 lb-f)
Data Transfer Rates Supported: 10/100 Mb/sec @ 100MHz Max (Single Channel)
Configuration: ROV
Material:Shell & Latch Fingers: Titanium
Boots & Bladders:ODI Proprietary Plastic & Rubber Component
Slide Shell:Titanium & Delrin
Design Life:30 Years
Max Length:100 Meters

Operational Specifications

Number of Circuits:7 (single channel), or 12 (single channel or dual redundant); 12 (Dual Channel Simultaneous or Gigabit)
Ethernet Attenuation:Maximum: 24 dB (@100MHz) Per ISO/IEC 11801:2002
Ethernet Crosstalk:
Maximum: 27.1 dB (@100MHz) Per ISO/IEC 11801:2002; For Information Only when IL < 4 dB Per ISO/IEC 11801:2002
Ethernet Return Loss: Minimum:
8 dB (@100MHz) Per ISO/IEC 11801:2002; For Information only when IL < 3 dB (Dual Channel)

Power Wires:

- Maximum Operational Current per Circuit 3 Amps
- Maximum Operational Voltage 620 VAC Phase to Ground
- Insulation Resistance ≥ 10 GΩ @ 1 KVDC
Contact Resistance:≤ 10 mΩ per contact
Mated Connector Continuity Resistance:≤ 0.2 Ω per contact
Fully Compatible Materials:Fresh Water, Sea Water, DC 200 Silicone Oil
Intermittently Compatible Materials:MEG, Oceanic HW 443, 50% Citric Acid, 50% Acetic Acid

Applications

  • Subsea Control Modules (SCMs)
  • Installation and Workover Control Systems
  • Subsea observatories
  • Remote sensing, such as corrosion monitoring or pressure temperature sensing
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