1.OEM&ODM 2.SM&MM 3.FC,SC,ST,MU and LC connector ... .multi-core ribbon&bundle pigtals 5.external diameters 0.9mm,2.1mm,3.0mm Optical Fiber PigtailSpecification1.Multi-core ribbon & bundle ... temperature:40°C to75°C6.The external diameters 0.9mm,2.1mm,3.0mm,etc.are optional7.Number of cores:4 ... .Public networks6.DTN Data Transport Network7.Automatic control system Fiber Optic Pigtail