Whilst the USG-1’s output is capable of driving up to 8 NMEA 0183 instruments, to maintain the galvanic isolation between each of the NMEA devices, it is recommended to connect only one NMEA device...
When software running on a PC needs access to NMEA 0183 data from a particular device, or alternatively, may need to send NMEA 0183 data, a communication port needs to be created...
