The Ethernet Cable is a 10' cable that allows the connection of two Ethernet capable units to be connected, or connection of a Humminbird control head to an accessory 5 Port Ethernet Switch (AS ETH 5PXG and AS ETH 5PGL), as part of a multi-unit Ethernet network. Compatible With All APEX, XPLORE, SOLIX and ONIX models, all HELIX 15, HELIX 1