FC Fiber optic patch cord 1.IL<=0.2dB,RL>=55dB 2.Connector:FC,SC,LC,ST,E2000,MU,etc 3.Polishing:PC/UPC/APC ... motion and is keyed.Features:Low insertion loss, high return lossHigh dense connection, easy for operationHigh credibility ... type: PVC, LSZH, OM3, OFNR, OFNP, Plenum FC SX SM Fiber optic patch cord FC SX SM Fiber optic patch cordFC SX SM Fiber optic patch cord FC SX SM Fiber optic patch cord