This is a fiber optic adapter, used in fiber optic links to provide a cable-to-cable fiber connection. Specifically, this adapter has one female SC connector on one side and one female SC connector on the other. This provides connection between two male SC MMF OM3 simplex cables. The adapters are 100% compliant for all of your networking needs. Now you have a cost effective solution to your network upgrade needs. AddOn Female SC/ to Female SC/ MMF OM3 Simplex Fiber Optic Adapter is one of many Peripheral Device Cables available through Office Depot. Made by AddOn.