SC is square shape design, with push-pull latching mechanism, its keyed, molded housing provide optimum protection. SC fiber connector adopt 2.5mm ceramic ferrule. SC fiber products are available by both single mode and multimode versions, single mode SC have two types, one is SC UPC and the other is SC APC, multimode only has SC UPC connectors. According to the industrial practice, single mode SC UPC connector is blue color, single mode SC APC connector is green color, multimode SC UPC is beige color. Each type has duplex models and boot size have 0.9mm 2.0mm 3.0mm.