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FI5002 Junction box (option) The junction box can be used when connecting CAN bus network items. For some installations it can serve as your primary NMEA 2000 backbone/network. This document covers wiring of the junction box. For how to mount the junction box, see its installation instructions, issued separately.
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Terminal resistor The illustration below shows various system configurations and when to activate the terminal resistor. Any single Canbus network must only have two terminations. The FI-5002 can have zero, one, or two terminations turned “ON” based on the needs of your network design. (Typical example above of Canbus/NMEA 2000 units connected to the FI-5002 as a complete bus.
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LEN value. You should NOT use a normal bus power tee and the FI-5002 power at the same time without proper isolation. The FI5002 junction box can be used without its power connection when an existing bus has power already present. If you have questions about your unique install, please contact your Furuno Dealer or Furuno Technical support.
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