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Subel. F
6 questions
Subelement F

Other Equipment and Networks:

Section 44

Local Area Networks- NMEA-2000:

The Voltage of the NMEA 2000 backbone power supply pair must be maintained to within the following range.

  • 0 to 5 volts
  • Correct Answer
    9 to 16 volts
  • 10.5 to 13.6 volts
  • 12 to 24 volts
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NMEA 2000 Certified Device identify their current requirements in terms of LENs (load Equivalent Number). 1 LEN is equal to:

  • 1 Amp
  • 500 mA
  • Correct Answer
    50 mA
  • 25 mA
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Which of the following are NOT components of a NMEA 2000 network?

  • Tees, Drop Cables and terminating Resistors.
  • Tees, Backbone Cables, Power Cables.
  • Termination Resistors, Power Cables, Backbone Cables.
  • Correct Answer
    Multiplexers, Combiners, Routers.
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The NMEA 2000 backbone operating speed is:

  • Correct Answer
    250 bps
  • 500 bps
  • 1500 bps
  • 2000 bps
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When viewing NMEA 2000 data you must use the following.

  • Voltmeter
  • Converter
  • HyperTerminal
  • Correct Answer
    Gateway
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What is the maximum length for a drop cable to a single NMEA 2000 device?

  • Correct Answer
    6 meters
  • 12 meters
  • 18 meters
  • 24 meters
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