Marine Electronics Forum - Furuno NMEA cable splitter

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View Full Version : Furuno NMEA cable splitter


jdfnav69
12-31-2004, 08:54 AM
OK, here's the problem. I have a Furuno 1850 flush mounted on the helm. It is interfaced with a Furuno radar which is in the electronics box. I also have an ICOM VHF with DSC in the electronics box. Does Funo make a splitter that I can attach on the radar end so I also have an NMEA output to run into the VHF so I can have the DSC available?


jtburf
12-31-2004, 09:00 AM
all you need is this cable it has a connector to hook right in your 1850
and a open end to connect your NMEA wires on the bac of your radio

000-117-603
6634

http://www.furuno.com/Furuno/Rooms/DisplayPages/LayoutInitial?Container=com.webridge.entity.Entity[OID[5FCCEF9864392842B34B16F9C62C07D8]]&Product=com.webridge.entity.Entity[OID[E1727166DBF33240BFEC66E395B5A210]]&ProductCategory=com.webridge.entity.Entity[OID[574784B72D00ED48B6496621264D8FC8]]&ContainerTemplate=com.webridge.entity.Entity[OID[4BE7FF5782D764499C2D3A1D15C2C8C6]]
John

jdfnav69
12-31-2004, 09:09 AM
OK JT, where did you come up with that number? I tried searching Furuno's website but without the part number that I wanted I couldn't get anywhere. I was hoping to attack the problem from the radar side so I didn't have to fish another wire through the hard top.

Edit: I ran that on Furuno's site and came up blank. Who's number is that?


jtburf
12-31-2004, 09:18 AM
1. http://www.furuno.com/
2.http://www.furuno.com/furuno/Rooms/DisplayPages/LayoutInitial?Container=com.webridge.entity.Entity[OID[B3EDD9BA52958241AC8C7510C25D3F24]]
3. sice you thinking Radar but did not list which one you find your radar click the assc page then it will show
all the add ons !!!


John

jdfnav69
12-31-2004, 09:29 AM
Ok. Let me try again here. The 1850 already has the NMEA outlet cable hooked up to it and is run to a Furuno 1700 series* radar. I don't have an open port on the chart plotter to plug into. That's why I need to split it somehow. I could use a terminal block if all else fails. I was just hoping maybe Furuno had a premade cable that takes one female and comes out to two males or a male and an bare wire end.

jtburf
12-31-2004, 09:40 AM
Then go to Radio shack and buy a junction box with a strip split your NMEA connection to both units and be done ... MUCH cheaper

or this cable plugs in your radar if you have the 1715
000-144-418 NMEA Cable, 1 x 7 Pin Connector, 5 Meters

John

bakalis
12-31-2004, 08:01 PM
If you are not using the DGPS port, you can also use this port to output NEMA data via the RS-232 pins. If this port is in use then as the others have stated you need to build a splice into your existing cable. Furuno does not make a cable splitter.

The way you do this is:

1 - Purchase a 6 or more conductor screw terminal block which can be purchased at radio shack or and marine supply store.

2 – Mount the terminal in a location central to all the electronics you want to send the 1850 NEMA data to .

3 – Cut the cable that goes from your 1850 NEMA port to your radar in half and expose the wires on each side of the cable. Re-connect each side of the cut cable one to one at the terminal block. See following diagram

Connector------Terminal --- Connector to Radar

1850 pin 1 -----|-O-O-|----- Radar pin 1 + Furuno TDA to ICOM NEMAIN(+)
1850 pin 2 -----|-O-O-|----- Radar pin 2 + Furuno TDB to ICOM NEMAIN(-)
1850 pin 3 -----|-O-O-|----- Radar pin 3
1850 pin 4 -----|-O-O-|----- Radar pin 4
1850 pin 5 -----|-O-O-|----- Radar pin 5
1850 pin 6 -----|-O-O-|----- Radar pin 6

4 – Attach in parallel to the terminal block your ICOM NEMA inputs. The ICOM NEMAIN(+) should go to the Furuno pin 1 (TDA signal) and the ICOM NENAIN(-) should go to FURUNO pin 2 (TDB signal).

5 – Make sure your NEMA data port is outputting the RMC sentence. Your ICOM should display the Lat. Long and Time information.

Email me with any questions.

Happy New Year
Steven

jdfnav69
12-31-2004, 08:10 PM
Thanks Steve. That's what I was afraid I would have to do. Was just hoping for something a little neater, like a cable. I'll just add this to the to do list for my new toy for the coming week.



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