This Ethernet switch allows you to connect to up to five compatible Humminbird fish finders and Ethernet-compatible devices to create an integrated network capable of sharing information across all connected devices. The amber power light lets you know you are connected to power, while the amber and green connection lights give you a quick status of what’s connected. Amber Connection Light: HELIX G4N and G3N Fish Finder, AS ETH NMEA2K, Minn Kota Trolling Motor, and Humminbird CHIRP Radar. Green Connection Light: APEX or SOLIX Fish Finder, MEGA Live Imaging, MEGA Live Imaging TargetLock, AS ETH 5PXG, and AS ETH 5PGL. Connection Light: Solid = Connected; Flashing = Data Transfer in Progress; No Light = No Connection. Compatible with all APEX, All SOLIX, HELIX G4N and HELIX G3N fish finder models.