Show More Show Less. The ethernet for the sonar, and the NMEA for the waypoint sharing. I believe you also will be able to choose witch antenna the or HDS. Today, I got up under the console with some light and found where I had powered the network some 8 years ago. There is another set of smaller diameter wires, also red, black and I think a shield NEMA is used for a broad range of marine navigational and engine management functions, standard across the marine industry. I have replaced my old c with 2 Gen2 7 touch units.

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We noticed the back of the has an Ethernet port but the manual somewhat implied that is for future use. Lowrance also lets you identify the area you are in and find the fishing spot you are looking for.

Mounting the unit: bracket or portable – Lowrance electronic Lowrance LMS-522c iGPS User Manual

Yes you can network them with ethernet and share sonar between netwrk. Save on Fishfinders Trending price is based on prices over last 90 days.

Great product Installation is fairly easy depending on the boat. When I first read your post I thought it might be a network power issue. Show More Show Less. It is just not the modern method.


If you haven’t found the source of power to the network, you’ll need to figure it out before you negwork a second source. Last edited by cannon20xrd; at Just make sure you 5222c down whether the current you are going to keep is not powering the network. I understand all the instructions in the related posts Now power your NMEA with the proper power node, use the resistors on each end and add components as needed.

You may have to register before you can post: I have to add a drop anyway since i’m only set up for 2 units. I guess the question is will a series unit in the system power the network for the HDS units.

LMS nmea network not working on Gen2 touch units >

Can he network the to the HDS, and if so, what cable s are needed and what information can be shared? You can continue to use this power source if you want. Watch out for a special cable you might have that has built-in terminators. So my issue is the nmea network that was used for the 2 c will not work when connected to both Gen2 units, but seems to work when the c is connected to one of the Gen2 units based on the backlight sync working.

You absolutely do not want two power sources going to the network.

Lowrance LMS-522C iGPS Fishfinder

See details for description of any imperfections. In either case, you are misunderstanding.


Basically, we are trying to understand the capabilities of this unit in conjunction with a newer HDS, if at all. This item doesn’t belong on this page. I understand the Gen2’s will not power the network but the does Netwoek is a very fast and versatile interface but there is no “marine standard” for implementing it across vendors.

When you’re done for the day, you can networo the Lowrance kHz head unit and take it with you or lock it in a storage compartment to prevent theft.

I just did this and it was pretty simple. It helps keep you safe by spotting underwater rocks and branches using sonar. You might check this out at the Lowrance web site. Best Selling in Fishfinders See all.

Ethernet cable is also connected between the Gen2 units. Someone smarter than me should be along to sort this out. The transom-mounted skimmer transducer has a built-in sensor to show water temperature.