Fiber optic patch cord. 62.5/125 micro-meter multi-mode (OM1) OFNR duplex. 0.4 dB maximum insertion loss. Greater than or equal to 25 dB return loss. 500 mating durability. 0.2 dB repeatability. -40 to 75°C operating environment. All connectors have precision pre-radiused zirconia ferrules. Includes duplex clips. Fiber optic patch cords are designed to interconnect or cross connect fiber networks within structured cabling systems.