Note: In many scenarios, users instead use a generic Hub or a Switch and customize the Physical slots with SFP modules to act as a converter. Step-by-Step Configuration Guide
Use or Cross-Over cables (black lines) for your standard Ethernet connections. Why Use a Media Converter Link? Intro to Packet Tracer 1-6: Connecting Devices media converter in cisco packet tracer link
The Media Converter is located under the > Hubs category in the Packet Tracer device menu. Fiber to Ethernet converter setup. - Cisco Community Note: In many scenarios, users instead use a