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Garmin BlueNet Network Construction Example

Creating a Garmin BlueNet network containing legacy Garmin Marine Network devices may be confusing, 
and it is critical that the network is constructed correctly in order for all connected devices to communicate 
effectively. You can use this example to better understand how to properly connect legacy Garmin Marine 
Network devices to a Garmin BlueNet network.
For more information about Garmin BlueNet network technology, go to 

garmin.com/manuals/bluenet

Item Description

Notes

Garmin BlueNet 
network devices

All Garmin BlueNet network devices must connect to one another or to a Garmin 
BlueNet 20 switch.
Only one Garmin BlueNet network device or Garmin BlueNet 20 switch must connect 
to the Garmin BlueNet 30 gateway to communicate with the legacy Garmin Marine 
Network devices.
Depending on the types of devices you plan to connect, there are requirements you 
may need to follow when constructing the network (

Specific Garmin BlueNet Device 

Network Connection Requirements, page 6

).

Legacy Garmin 
Marine Network 
devices

If you have more than two legacy Garmin Marine Network devices, these devices must 
connect to one another or to a GMS 10 switch.
Only one legacy Garmin Marine Network device or GMS 10 switch needs to connect 
to the Garmin BlueNet 30 gateway to communicate with the Garmin BlueNet network 
devices.
If you have only two legacy Garmin Marine Network devices, you can connect them 
both to the Garmin BlueNet 30 gateway without first connecting them to one another.

4

Summary of Contents for BLUENET 30

Page 1: ...ite side of the surface to avoid damaging the vessel Garmin BlueNet 30 Gateway Overview The Garmin BlueNet 30 gateway allows you to connect legacy Garmin Marine Network devices to a Garmin BlueNet cha...

Page 2: ...only the top gel coat layer This will help to avoid cracking in the gel coat layer when the screws are tightened Before you mount the device you must select a mounting location and determine the mount...

Page 3: ...wer cable do not remove the in line fuse holder To prevent the possibility of injury or product damage caused by fire or overheating the appropriate fuse must be in place as indicated in the product s...

Page 4: ...min BlueNet network device or Garmin BlueNet 20 switch must connect to the Garmin BlueNet 30 gateway to communicate with the legacy Garmin Marine Network devices Depending on the types of devices you...

Page 5: ...ot the same as NMEA 2000 cables and you cannot use them interchangeably 12 Vdc power source The Garmin BlueNet 30 gateway must connect to power using the included power cable Garmin BlueNet 20 switch...

Page 6: ...pler when connecting a third party IP camera to a legacy Garmin Marine Network device this isolation coupler is not required when connecting a third party IP camera to a Garmin BlueNet chartplotter or...

Page 7: ...o 158 F Water rating IEC 60529 IPX71 Power input From 10 to 32 Vdc Fuse 2 A Max power usage 2 3 W Typical current draw 12 Vdc 150 mA 24 Vdc 90 mA Max current draw 200 mA Compass safe distance 10 cm 4...

Page 8: ...are trademarks of Garmin Ltd or its subsidiaries registered in the USA and other countries Garmin BlueNet is a trademark of Garmin Ltd or its subsidiaries These trademarks may not be used without the...

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