... ) 100% optic test including Insertion Loss and return loss; SC fiber optic connectorFeatures:1) Superior qualified standard PC, APC, UPC, SPC ... ) Single mode (9125) or multi mode (50125 or 62.5125) fiber available;6) FC, SC, LC, MU, ST, MT-RJ, etc ... ;8) Good exchange ability and good durability;9) Available in fiber bunch, ribbon fan-out, pigtail available;10) Meets ISO9001, ROHS ...