NMEA 2000
What is the cable resistance of a lite cable? - ✔ ✔ .057 ohms/meter.
What is the max backbone length for a lite cable? - ✔ ✔ 100 meters.
What is the max drop length of a lite cable? - ✔ ✔ 6 meters.
What is the data wire gauge for a mid cable? - ✔ ✔ 20 awg.
What is the power wire gauge for a mid cable? - ✔ ✔ 16 awg.
What is the current capacity of a mid cable? - ✔ ✔ 4 A Micro | 8 A
Mini.
What connector type is used for a mid cable? - ✔ ✔ Micro or mini.
What is the cable resistance of a mid cable? - ✔ ✔ .015ohms/meter.
What is the max backbone length for a mid cable? - ✔ ✔ 250
meters.
What is the max drop length of a mid cable? - ✔ ✔ 6 meters.
What is the data wire gauge of a heavy cable? - ✔ ✔ 18 awg.
What is the power wire gauge of a heavy cable? - ✔ ✔ 15 awg.
What is the current capacity of a heavy cable? - ✔ ✔ 8 amps.
What connector type is used for a heavy cable? - ✔ ✔ mini.
What is the cable resistance of a heavy cable? - ✔ ✔ .012
ohms/meter
, What is the max backbone length of a heavy cable? - ✔ ✔ 250
meters.
What is the max drop length of a heavy cable? - ✔ ✔ 6 meters.
NMEA 2000® Network termination should be provided by connecting
which of the following resistors? - ✔ ✔ Two 120 ohm, 1/4 W
resistors, one at each end of the backbone.
What is the formula for calculating voltage drop? - ✔ ✔ VD= .1 X NL
X BL X CABLE RESISTANCE
True or False
The cumulative (total) drop length to all devices on the NMEA 2000®
network cannot exceed 78 meters. - ✔ ✔ TRUE
The physical topology used by NMEA 2000® is known as
______________. - ✔ ✔ Backbone and Drop
NMEA 2000® network connections are made via T's and drops so that a
device may be disconnected from the network without interrupting the
backbone. - ✔ ✔ TRUE
The maximum length for an NMEA 2000® backbone consisting entirely
of Lite Cable is: - ✔ ✔ 100 Meters
The maximum voltage drop for an NMEA 2000® network powered from
the battery is: - ✔ ✔ 1.17 Volts
True or False
If you are connecting additional devices to the NMEA 2000® backbone
and the network power is ON, these new devices will not communicate
What is the cable resistance of a lite cable? - ✔ ✔ .057 ohms/meter.
What is the max backbone length for a lite cable? - ✔ ✔ 100 meters.
What is the max drop length of a lite cable? - ✔ ✔ 6 meters.
What is the data wire gauge for a mid cable? - ✔ ✔ 20 awg.
What is the power wire gauge for a mid cable? - ✔ ✔ 16 awg.
What is the current capacity of a mid cable? - ✔ ✔ 4 A Micro | 8 A
Mini.
What connector type is used for a mid cable? - ✔ ✔ Micro or mini.
What is the cable resistance of a mid cable? - ✔ ✔ .015ohms/meter.
What is the max backbone length for a mid cable? - ✔ ✔ 250
meters.
What is the max drop length of a mid cable? - ✔ ✔ 6 meters.
What is the data wire gauge of a heavy cable? - ✔ ✔ 18 awg.
What is the power wire gauge of a heavy cable? - ✔ ✔ 15 awg.
What is the current capacity of a heavy cable? - ✔ ✔ 8 amps.
What connector type is used for a heavy cable? - ✔ ✔ mini.
What is the cable resistance of a heavy cable? - ✔ ✔ .012
ohms/meter
, What is the max backbone length of a heavy cable? - ✔ ✔ 250
meters.
What is the max drop length of a heavy cable? - ✔ ✔ 6 meters.
NMEA 2000® Network termination should be provided by connecting
which of the following resistors? - ✔ ✔ Two 120 ohm, 1/4 W
resistors, one at each end of the backbone.
What is the formula for calculating voltage drop? - ✔ ✔ VD= .1 X NL
X BL X CABLE RESISTANCE
True or False
The cumulative (total) drop length to all devices on the NMEA 2000®
network cannot exceed 78 meters. - ✔ ✔ TRUE
The physical topology used by NMEA 2000® is known as
______________. - ✔ ✔ Backbone and Drop
NMEA 2000® network connections are made via T's and drops so that a
device may be disconnected from the network without interrupting the
backbone. - ✔ ✔ TRUE
The maximum length for an NMEA 2000® backbone consisting entirely
of Lite Cable is: - ✔ ✔ 100 Meters
The maximum voltage drop for an NMEA 2000® network powered from
the battery is: - ✔ ✔ 1.17 Volts
True or False
If you are connecting additional devices to the NMEA 2000® backbone
and the network power is ON, these new devices will not communicate
