The simple answer is no, you cannot directly connect fiber optic cables to coaxial cables. However, through the use of specialized devices, you can convert the signal between the two, effectively allowing them to work together in a network. You may also want to know: Can A Google Family Link. Find versatile media converters with plug-and-play installation. I have a couple motorola MoCA 2. 0 bonded adapters - model MM1000, which looks like they can handle up to 1000mbps. I won't be able to test it until tomorrow, so I'm assuming this would work ONT > ethernet into MoCA > coax into wall > coax into 2nd MoCA > ethernet into PC But I also need wifi so. The Fiber Optic LAN Converter provides bidirectional conversion between coaxial and fiber optic media. The converter is compatible with existing I/A Series system hardware, utilizes industry standard fiber optic cabling and connectors and supports fiber optic only as well as coaxial/fiber optic. Fiber media converters are networking devices capable of connecting two different media types. In most cases, they are used to connect twisted pair or coaxial cable to a fiber-optic cable, allowing the interconnection of fiber-optic networks and cable systems with copper-based cabling systems.