RJ45 Network Cable & Fittings
Garmin Marine Network cables are constructed very differently from standard Ethernet cables. A summary of the differences are provided below
Garmin Marine RJ 45 Network cable |
Standards Ethernet Cable |
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External ground |
Internal ground |
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Crossover wiring |
Parallel Wiring |
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Shielded cable |
No Shielding |
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IPX7 Water resistant |
Non Water resistant |
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Built in Drain Wire |
Crossover cables allow similar devices to speak to one another. (Garmin units) |
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The Garmin Marine Network cable uses the same Tx/Rx pairs for data transmission and also utilizes the unused pins (4, 5, 7 & 8) for power control of the various devices on the network |
Also to link multiple GMS 10’s to create a wider network
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BI_DA+ : Transmit Positive BI_DB+ : Receive Positive |
A Standard Ethernet cable uses pins 1, 2, 3 & 6 for network data, using one pair for Tx and the other for Rx as shown in the diagrams above. The remaining pins are unused |
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BI_DA- :Transmit Negative BI_DB- : Receive Negative |
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Even though a Standard Ethernet cable can be used on the GPSMAP 4000 series and newer we only recommend using Garmin Marine Network cables.
Source Garmin Marine
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Garmin Marine Network Adapter Cable Small (M) to Large (M)
Garmin
Current Stock: 1€28.00Convert your compatible device’s network connector from the Garmin BlueNet™ Network to the Legacy Garmin Marine Network so it can connect to a compatible Garmin chartplotter. This cable does not replace the need to use a Garmin BlueNet™...G010-12531-01€28.00 -
Garmin RJ45 Cable End Connectors - Pack of 2
Garmin
Current Stock: 9€15.00Use our cable connectors when wiring your marine Ethernet connection. Sold in packs of two. Compatible Devices ECHOMAP™ Plus 72cvECHOMAP™ Plus 72svECHOMAP™ Plus 73cvECHOMAP™ Plus 73svECHOMAP™ Plus 74cvECHOMAP™...G010-10603-00€15.00 -
Garmin GMS 10 Network Port Expander
Garmin
Current Stock: 1€451.00The Garmin GMS 10 Network Port Expander allows you to connect multiple chartplotters and sensors over the Garmin Marine Network. With this robust 100 MB switch, you can connect multiple MFDs and sensors to the Garmin Marine Network and gain the benefit...G010-00351-00€451.00
