GARMIN GMS 10 Network Port Expander Network Device
The GARMIN GMS 10 is a network port expander designed for marine electronic systems, facilitating multiple device connections through a single network. This unit is installed in marine environments to enhance connectivity and device integration.
Compatibility & Applications
- Expands network capabilities for GARMIN marine electronics.
- Facilitates connections for multiple devices on vessels over 30 ft.
- Mounts in various locations including helm stations and electronics racks.
- Integrates with NMEA 2000 networks for enhanced device communication.
- Replaces GARMIN GMS 10 legacy units without additional wiring.
- Pairs with GARMIN chartplotters and sonar devices for comprehensive system integration.
The unit effectively increases the number of network ports available, allowing for the addition of multiple GARMIN devices. For instance, it can be installed in a center console boat to connect a chartplotter, radar, and fishfinder, all while maintaining a single network infrastructure. Its IPX7 rating ensures protection against water ingress, differentiating it from generic network expanders.







