Description

Description

  • Provides a high-speed, long-distance Ethernet connection to a ROV
  • Designed to be used with the Fathom tether
  • Exact same board used on each end of the tether
  • Onboard switching power supply with 7-28V input range

The Fathom-X Tether Interface Board Set provides a high-speed, long-distance Ethernet connection to an ROV or other remote platform. They’re designed for use with the Fathom tether, standard Cat5 cable, or even a single twisted pair of wires. This board uses the Rak Wireless LX200V20 module, which leverages the robust HomePlug AV (IEEE-1901) standard for sending Ethernet through powerlines.

Fathom-X Tether Interface Board Set- Click to Enlarge

The Fathom-X Tether Interface Board Set is open-source and open-hardware, so the schematics and board files are free to view, modify, and reuse.

Fathom-X Tether Interface Board Set- Click to Enlarge

Features:

  • 80 Mbps Ethernet over two wires
  • 300m+ tether length capability
  • Plug-and-play with no setup involved
  • Onboard switching power supply with 7-28V input range
  • USB Mini-B connector for powering directly from a computer on the topside
  • Indicator LEDs for power, link, and data
  • Included 6″ Ethernet cable for connection to onboard computer

  • 2 x Fathom-X Tether Interface Board
  • 2 x LX200V20 Module
  • 1 x 6″ Ethernet Cable

  • 64 x 46 mm

Electrical

  • Supply Voltage: Terminal Block, 7-28 Volts, USB, 5 Volts
  • Max Power Draw: 2.5 Watts

Performance

  • Max Practical Bandwith: 80 Mbps
  • Physical Layer Bandwith: 200 Mbps
  • Working Frequency: 2-30MHz
  • Max Tether Lenght: 300m +

Physical

  • Operating Temperarure: -20 to +85 °C
  • Storage Temperature: -40 to +85 °C
  • USB Connector Type: USB Mini B Female
  • Tether Wire Gauge: 12-30 AWG
  • Power Wire Gauge: 16-26 AWG
  • Screw Hole Spacing: 57 x 40 mm
  • Screw Hole Diameter: 3.3 mm
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