The MPO connector is a multi-fiber optical connector defined by international standards IEC 61754-7 and TIA-604-5 (FOCIS-5). Unlike LC or SC connectors that terminate a single fiber, MPO can accommodate multiple fibers in one connector body, making it ideal for high-speed parallel. If you only remember one thing: MPO is a multi-fiber connector standardized under IEC 61754-7 that allows you to terminate 8, 12, 16, 24, or even 32 fibers in a single rectangular ferrule. Instead of plugging 12 separate LC duplex connectors, you can mate one MPO. Data. Amphenol manufactures a comprehensive line of MPO connectors that provides high density connections for the expanding datacom market space.