Furuno to Cobra take 2

Clyde_Wanderer

Clyde_Wanderer

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Reff to my previous post about connecting the Furuno to my Cobra DSC VHF.
The Furuno gps navigator GP3O has two terminals designated Ext equipt, a white which is designated RD-H and a blue designated RD-C
On the interconnection diagram it says Menu:data1 Nmea0183 ver.1.5/2.0
Does this mean that these two wires will send the co-ordinates info to the VHF? and which wire should be connected to the centre terminal of the single pin jack plug of the Cobra? lastly is there a cable or lead purpose made which I can buy for this connection or will any cable do?
Thanks, C_W.
 
I guess no one has seen this post, maybe I should switch on my anchor light and someone might notice, or switch them all on and I might even get an answer. /forums/images/graemlins/laugh.gif /forums/images/graemlins/laugh.gif /forums/images/graemlins/laugh.gif /forums/images/graemlins/laugh.gif /forums/images/graemlins/laugh.gif /forums/images/graemlins/laugh.gif
 
OK Clyde, I'll have a go. Firstly I claim no expertise in this , other than connecting my Furuno RP110L plotter to my Cobra vhf. I purchased a cable from BEE(http://www.boatelectrics.com/) to do this - it matched the buffered output socket on the back of the plotter. I am assuming from the online GP30 manual that there is a socket that drives the pins you are talking about Having a word with folk like BEE at kip may help - they may have a cable and socket to fit this ( mine was around £17). The slightly bad news is you still have to split out the blue and white lines from this cable and join them to the vhf ( yes ,I am pretty sure they are the position data signals you need for your VHF) . My cobra (a MRF55)came with a NMEA socket and a smal jack with a red and balck cable attached. I connected these into the appropriate wires from the furuno cable and it all worked first time. I think that TD-H stands for "transmit data high" the red cable on the cobra, and TD-C stands fo "tramsmit data low" ie the black cable on the cobra cable. Hope this helps. Like I said http://www.boatelectrics.com/ were really helpful.
 
your furuno has nmea terminals? I think it should have a multicore cable providing rs232, (voltage driven interface) and current driven interface both transporting Nmea packets (postion data etc.) and power. If that's what you've got, go back to the previous thread and follow the advice. From memory the white wire is signal out from GPS, and will go to the tip of your mini jack. the common is probably already connected as voltage negative. Boat in Troon by any chance?
 
Oh dear...

Oh dear, you seem to be making hard work of this. Let's try to sort it for you.

Your Furuno GP30/35 (you've used both model numbers) sends NMEA info on the white and blue connections. White is positive; blue is negative.

Your Cobra F55 should have been supplied with a GPS interface cable, which plugs into the left hand socket (as you look at the back of the set). This cable has a red wire and a black wire.

You need to connect the white Furuno wire to the red Cobra wire. And you need to connect the blue Furuno wire to the black Cobra wire.

If you haven't got the Cobra GPS interface cable, you can buy them (for example £15 from here - scroll about two-thirds down the page).

With both sets switched on, the Cobra should now display the latitude & longitude of your position. There shouldn't be a need to go into the menu settings of the Furuno, as it should transmit NMEA latitude & longitude on the white/blue wires regardless of the settings.

I really hope this helps you.
 
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