Standardisation : acc. to IEC 61754-4 Connector class : Adapter Number of connectors (A) : 1 Connector type (A) : SC Protection class (IP) connector (A) : 20 Polishing connector (A) : PC Attenuation grade IL - connector (A) : C Connector color (A) : blue Sleeve material : ceramic Adapter fastening method : end cap snap-in Fiber type : Singlemode (SM)