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B&G Service
In case of instability or missing data on the NMEA 2000 network, or if you
just wish to check the network, you can do this using a multimeter and a
cable.
The information below is for advanced users. Below are some links to
other helpful NMEA 2000 information:
Lowrance NMEA 2000 Network Basics - Video
NMEA 0183, NMEA 2000, or Ethernet?
NMEA 2000 - Standard Layouts
Parts required
N2KEXT-6RD
Multimeter
Electrical connector
block
W. Take the 1.8 m NMEA 2000 cable and cut off the female connector
(it is only possible to connect the Male connector to a
T-Connector on the NMEA 2000 system backbone)
X. Remove approximately 5 cm of the outer cover
[. Remove the outer aluminium foil shield and the braided wire from
around all the wires
\. Remove the aluminium foil shield from around the red and black pair
of wires (power)
]. Remove the aluminium foil shield from around the white and blue pair
of wires (data).
You should now have five wires as follows:
1.8 m NMEA 2000 cable, used as either drop-cable or
backbone cable
Capable of measuring Resistance (Ohm) and Voltage
(DC 0 - 24 V)
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Related Manuals for B&G NMEA 2000
Summary of Contents for B&G NMEA 2000
- Page 1 B&G Service In case of instability or missing data on the NMEA 2000 network, or if you just wish to check the network, you can do this using a multimeter and a cable. The information below is for advanced users. Below are some links to...
- Page 2 Ground Now connect these wires to the connector block as shown below: Testing an NMEA 2000 Network As described in the separate Guide ‘How to design and build an NMEA 2000 networkʼ , there should be three unused T-connectors located in the network: •...
- Page 3 Power Check W. Switch-on the power to the NMEA 2000 network X. Note: with NMEA 2000 networks, it is possible to connect and disconnect (hot-swap) cables/devices with the power on [. Connect the test cable to the diagnostic T-connector next to the power insertion point \.
- Page 4 ]. This value should never read 24 V! The voltage limits for powering an NMEA 2000 network are 10 – 16 V DC. In practice, you need at least 11 V. l. Next, move the test cable to the diagnostic T-connector at the beginning of the NMEA 2000 network: Measure the voltage between the RED and BLACK wires.
- Page 5 Only make one connection between the BARE and BLACK wire. Do this at the power insertion point. If using a Navico power cable from the NMEA 2000 Starter Kit, you do not have to make this as this is already done in the Navico power cable o.
- Page 6 negative or minus terminal) is very different to the shipʼs ground. WW. Never use more than one power source for powering the NMEA 2000 network if you use multiple power insertion points. All power insertion points should be powered from the same source.
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