... +LAN, Optical fiber CATVOptical communication system TelecommunicationSpecification: ParameterUnitFCSMPCUPCAPCInsertion loss (typical)dB≤0.3≤0.2≤0.3Return lossdB≥45≥50≥60Operating ... diametermmφ3.0,φ2.0,φ0.9Fiber countF4, 6, 8, 12, 24, … fibersApplicable connector FC, SC, ST, MU, LC ...