The Voltage of the NMEA 2000 backbone power...

The Voltage of the NMEA 2000 backbone power...

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

Question 1 of 20

DlnZorXSFxCRORJBq2YF

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

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🔍 Key Concepts

• NMEA 2000 is a 12-volt DC marine data network standard • The backbone must operate within a safe working range around nominal system voltage • Too low a voltage can cause network dropouts, too high can damage equipment

💭 Think About

• What is the typical nominal voltage used on most small craft DC systems that NMEA 2000 is designed to work with? • Which option looks like a realistic operating range around that nominal voltage, allowing for normal battery charge and discharge conditions? • Which ranges are either too low to run 12V electronics or so wide they would risk equipment damage?

✅ Before You Answer

• Eliminate any choices that do not include 12V in their range • Eliminate voltage ranges that are clearly below what 12V electronics need to power up reliably • Eliminate ranges that extend well above the safe operating voltage for 12V-rated marine electronics

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