720073-4 30 Foot Ethernet Cable, Replace for Humminbird AS EC 30E 30ft. Ethernet Cord, Fit for APEX, SOLIX, Onix, ION, 1100/1100 HD, 900/900 HD, 800/800HD, 700 HD Series. Designed for seamless connection of two Ethernet-capable units or integration with accessory switches.
eBay