408450-1 5 Port Ethernet Switch, Black - Replace for Humminbird AS ETH 5PXG Marine Network Switch - Fit for APEX, SOLIX, Onix, ION, for Helix G4N, G3N. Powerful Connectivity and Expandability: The AS ETH 5PXG 5-Port Ethernet Switch supports the connection of up to 5 Ethernet devices, allowing you to easily create an integrated network for marine electronics.
eBay