Provides an additional RS485 port for better communication. Placed in the inverter enclosure for outdoor protection. It is suitable for installation in the SolarEdge control and communication gateway. Reduces labor costs with simple and quick installation. Allows serial configuration of multiple RS485 buses for communication in commercial installations. Compatible with StorEdge. Expansion for a StorEdge inverter with a further RS485 connection to communicate with a second Solaredge inverter.