2LC connector for installation in connector housing IP67 of variants 1, 4 and 14, compliance with EN 50173-1 or ISO/IEC 24702 with regard to the limits for insertion and reflection loss, connector pin zirconium oxide ceramic, convex pre-polished, connector body plastic, flame-retardant and halogen-free, connector receptacle zinc die-cast, nickel-plated, fiber fixation using adhesive technology, cable fixation using crimp technology on the connector body and/or on the connector receptacle for breakout and mini-breakout cables, tensile load capacity at least 100 N, anti-kink sleeve made of flame-retardant, halogen-free elastomer, service life: at least 500 mating cycles, operating temperature -40 °C to +70 °C, variants: 2LC (SM), 2LC (MM)