Is there isolation between all the ports on the NGW-1?

The NMEA 2000 network is Galvanically isolated from the NMEA 0183 side of the NGW-1. The non-USB variants are also isolated between the NMEA Talker and the NMEA Listener.

For more information on NMEA 0183 and how it works, please download our free guide to NMEA 0183 networking here: https://actisense.com/everything-to-know-about-nmea-0183-guide/
For more information on NMEA 2000 and how it works, please download our free guide to NMEA 2000 networking here: https://actisense.com/complete-guide-to-building-an-nmea-2000-network/