To connect your fiber optic line to an Ethernet-only network switch, you need a fiber optic-to-Ethernet converter box. This guide will. This is a cost-effective and high performance way to connect network switches. SFP transceiver modules are specific to the type of fiber being connected. how to connect fiber cable to switchhow to connect fiber module to switch how to use sfp ports on switchtimestamp0:05 – Product 10:10 – Product 20:20 – Tip. Connecting a fiber optic switch involves several steps, ensuring compatibility between the switch's ports and the fiber optic cable.