NMEA0183 is generally supposed to be balanced RS422; but there have been plenty 
of implementations that were NOT balanced, like the older Garmin four-pin 
power/data cables.

Fred Street -- Minneapolis
S/V Oceanis (1979 C&C Landfall 38) -- Bayfield, WI

> On Sep 16, 2016, at 7:03 AM, Gary Russell via CnC-List 
> <cnc-list@cnc-list.com> wrote:
> Joe is correct.  NMEA0183 is not RS232.  I think it is RS422, but am not 
> sure.  It might be RS485.  At any rate, they often play well together, but 
> not always.  You can purchase RS422 and RS485 converters for USB.
> Gary


This list is supported by the generous donations of our members. If you like 
what we do, please help us pay for our costs by donating. All Contributions are 
greatly appreciated!

Reply via email to