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NMEA Standard Horizon AIS DSC VHF to GARMIN 7612

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NMEA Standard Horizon AIS DSC VHF to GARMIN 7612

Old 06-14-2019, 02:19 PM
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Angry NMEA Standard Horizon AIS DSC VHF to GARMIN 7612

NMEA 0183 wires and colors? Don't know why it cant all be NMEA 2000 and be easy.
SH Manual says
Gray = DSC output (+)
Brown= DCS output (-)
yellow= AIS output (+)
white= AIS output (-)

Garmin manual says
Blue= Tx1
Brown = Rx1
Gray= Tx2
Violet = Rx2

So since they use different NMEA 0183 standard language what wire goes to what?
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Old 06-14-2019, 04:01 PM
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Your designation does not match the following from Garmin

https://www8.garmin.com/manuals/webh...7B1E0B4FB.html

Looking at the Garmin Wiring diagram it appears that only + signals are used

https://www8.garmin.com/manuals/webhelp/gpsmap7400-7600/install/EN-US/GUID-702698A3-DCC1-4D81-AEE7-DB5180E026FF.html



SH Gray - > Garmin Brown

SH Yellow - > Violet
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Old 06-14-2019, 05:32 PM
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I don’t see any + symbols in there only Tx Rd in and out. Second link goes to error page.
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Old 06-14-2019, 07:24 PM
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Originally Posted by BuzoDe45 View Post
NMEA 0183 wires and colors? Don't know why it cant all be NMEA 2000 and be easy.
SH Manual says
Gray = DSC output (+)
Brown= DCS output (-)
yellow= AIS output (+)
white= AIS output (-)

Garmin manual says
Blue= Tx1
Brown = Rx1
Gray= Tx2
Violet = Rx2

So since they use different NMEA 0183 standard language what wire goes to what?
AIS is probably high speed baud rate 38,400
DSC is 4800 baud rate

Garmin can probably only accept one baud rate... or SH might have both DSC/AIS on the high speed.


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Old 06-15-2019, 06:34 AM
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From the first link (that works) on the Left side of page click on "NMEA 0183 Connection Considerations". Then click on the link for "NMEA Connection Diagram"
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Old 06-15-2019, 07:10 PM
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SH GX2200 to Garmin 942xs
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Old 06-15-2019, 07:21 PM
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Thanks ducowti! That is what I was looking for.

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Old 06-17-2019, 10:10 AM
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So i wired it up this way and per my Garmin 7612 I am only receiving 1 sentence of data. I don't know if there has to actually be some "action" going on for the VHF to send AIS and or DSC data. Also in the garmin format page there is an option to receive 3 or 4 digit data? Nothing in the manuals about this either.
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Old 06-18-2019, 09:01 AM
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You might try calling Standard Horizon....from what i can tell they have the best customer service on the planet.
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Old 06-18-2019, 10:26 AM
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Here is the Garmin to SH connectivity ..... works like a charm Comm Port 1 standard Comm Port 2 HS.

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Old 06-19-2019, 05:58 PM
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So I just saw my first AIS track on my garmin. After my 4th reconfigure of this wiring connection. Slightly different from what BWP posted above but I can confirm it is working.
Gx 2200 - brown, green, white to ground
Gx 2200 - blue to 7612 blue
Gx 2200 - yellow to 7612 violet
Gx 2200 - gray to 7612 brown

garmin port 1 standard, port 2 HS
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Old 06-20-2019, 05:40 AM
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Buzo ...

Glad you got it working the NMEA 0183 stuff is confusing.

Tom
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