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Garmin 178C to Ray54 DCS hookup
The manual for my Raymarine Ray54 VHF Radio says the radio accepts NEMA 0183 (v1.5) data from a GPS device to provide Lat and Long info for DCS distress calls. The manual shows the connections as: GPS NEMA Out + to radio NEMA In + (yellow wire) GPS NEMA Out - to radio NEMA In - (green wire). The manual for my Garmin 178C GPS, however, shows the connections to a DCS VHF radio as: GPS Port 2 Data In to radio TX+ GPS Port 2 Data Out to radio RX+ GPS Ground to radio Ground Apparently, the Ray54 doesn't send NEMA data back to the GPS so the GPS "Port 2 Data In" connection should be left unconnected. My best guess for the remaining connections is that the GPS "Port 2 Data Out" should go to the radio's "NEMA In +" and that the GPS Ground should go to the radio's "NEMA In -". Can anyone confirm this? Thanks, David |
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