fiber optic Toslink,PMMA fiber optic Toslink,Toslink 1.toslink to toslink 2.low attenuation 3.good performance 4.ISO9001 Specificationsfiber optic Toslink,PMMA fiber optic Toslink,Toslink 1.toslink to toslink 2.low attenuation 3 ... ,good performance5.High privacy protection connectorcore materialAttenuation core diameter jackettoslinkPMMA optical cable≤200db/km 1mm PVC PMMA Fiber Optic toslink cable