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[CA11] NMEA 0183 Connection from Garmin to Raymarine
05-22-18, 01:16 PM (This post was last modified: 05-23-18 10:41 AM by Chuck - Raymarine - Moderator.)
Post: #1
[CA11] NMEA 0183 Connection from Garmin to Raymarine
I have a Garmin Echomap DV54 chartplotter that I would like to connect to my Raymarine ST6001 Course computer and Standard Horizon DSC VHF radio. I would like to know if the attached connection schematic will do the job. Thanks for any input, advice or guidance.

Mark Gadson


Attached File(s)
.pdf  NMEA Connections Schematic for Garmin DV54 to Standard Horizon VHF to Raymarine Course Computer.docx.pdf (Size: 313.28 KB / Downloads: 97)

Mark P. Gadson
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05-23-18, 10:44 AM (This post was last modified: 05-23-18 10:44 AM by Chuck - Raymarine - Moderator.)
Post: #2
RE: [CA11] NMEA 0183 Connection from Garmin to Raymarine
Welcome to the Raymarine Forum Mark,

Your diagram is incorrect with respect to how devices having a single ended NMEA 0183 communications interface must be connected to devices having a differential NMEA 0183 communications interface. Please click here to view the FAQ addressing this subject.
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05-23-18, 12:22 PM
Post: #3
RE: [CA11] NMEA 0183 Connection from Garmin to Raymarine
Thanks, Chuck. Follow-up question: Which device(s) is/are the differential, and which is/are the single-ended?

Mark Gadson

Mark P. Gadson
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05-23-18, 01:19 PM
Post: #4
RE: [CA11] NMEA 0183 Connection from Garmin to Raymarine
Mark

If you examine the Raymarine product's documentation and/or interface terminals, you will find that the NMEA 0183 input and output ports each feature a pair of terminals ("+" and "-") denoting that the product's NMEA 0183 ports are differential. The Garmin product which you have identified features single ended NMEA 0183 ports.
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