July/August 2005 Volume 1, Issue 2
©2005 Tsunami Fishing Systems
 
Can We Talk?

Want to hook up your GPS to your VHF radio or Radar, but not sure how? Read on... 


Background | Basic (1-to-1) Hookups | Hooking Up 1-to-Many | It Still Doesn't Work!
EXAMPLES

If your two devices BOTH HAVE NMEA + and - wires:

TALKER Connects to...
LISTENER
NMEA Output (+) NMEA Input (+)
NMEA Output (-) NMEA Input (-)


If your TALKER has only NMEA +, but the LISTENER has + and - wires:

TALKER Connects to...
LISTENER
NMEA Output (+) NMEA Input (+)
Power (-) or NMEA Input (-)

Toy Boat 2 has the above configuration for connecting her GPS to the VHF radio. Click on the picture to the left, or HERE to see a detailed explaination of the wiring


If your LISTENER has only NMEA +, but the TALKER has + and - wires:

TALKER Connects to...
LISTENER
NMEA Output (+) NMEA Input (+)
NMEA Output (-) Leave talker's Output (-) disconnected
Power (-) NMEA Input (-)


If your two devices BOTH HAVE NMEA + ONLY:

TALKER Connects to...
LISTENER
NMEA Output (+) NMEA Input (+)
Power (-) Power (-)

 

If you have a "Common Ground" or "CGROUND" wire

  • If there is only one, leave it disconnected
  • If there is one on each device, connect CGROUNDs together
<< Previous Page
Next Page >>