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Mira - Network Diagram

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 A few people have asked for more details about out network on-board.  Instead of trying to describe it, and because I should have one anyways, I decided to create a Network Diagram.

So far, the network has been working great.  On occasion, the 2.4 GHZ radio in the MNC-1250 stops responding, however I am working with their tech support to get to the bottom of it.  We have that device mounted upside down to the "ceiling" of what I call the network area in the owners cabin.  I have a suspicion that it maty be overheating as it it not sitting in the orientation it was designed to be in. 

As it turns out, I have a spare 12v computer-type fan that I am going to wire into the 12V fuse block in there and mount it to the router and see if that makes a difference.  I also went into the configuration settings and turned down the output power of both the 2.4GHz and 5GHz radios, since the signals do not have to go very far to cover the boat.  This should also reduce the amount of heat generated.

Have a look at the diagram and let me know if you have any questions!

SV Mira Network Diagram


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  1. JPMarch 9, 2023 at 2:25 PM

    Very nice! Question: Since the B&G, Victron, PW Data Hub .. are all connected via NMEA, why are they also connected with Eternet? Since PW Data Hub has LAN connection, would connecting the Data Hub only to the WiFi router be enoogh to pass the data fm all NMEA equipment to the WiFi netwotk?

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    1. Mike PailMarch 26, 2023 at 10:21 AM

      Only limited data flows across NMEA, therefore, a network connection is needed if you need to bridge that gap. We try to hardwire as much as possible to a) make it more reliable and b) leave more bandwidth/reduce latency on the wireless.
      I would highly recommend the iPad app AquaMarine. It can connect to the NMEA of LAN feed that the DataHub creates, so that app shows real-time boat and wind data (somewhat limited, but it's still very handy)

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