The SC (Standard Connector or Subscriber Connector) SFP modules is a fiber optic connector that has been around for decades. It is widely used in both legacy and modern networking systems due to its reliability and ease of use. The connector type can affect how much physical space you use, how easy the system is to maintain. If you are upgrading a network switch or deploying fiber to the home (FTTH), you will inevitably face the connector choice: LC vs SC. However, these modules come with different types of connectors, the most common being SC (Standard. Corning Plug & Play™ universal systems modules are used to break out the 12-fiber MTP® connectors terminated on trunk cables into SC duplex connectors to facilitate patching into system equipment ports, patch panels or work area outlets.