The 50FIBPLCST3 3m LC to ST plenum fiber cable features 50/125 micron fiber for high-speed, high bandwidth data transmissions over Gigabit Ethernet and fiber channel networks, with support for duplex multimode applications. The OFNP Plenum rating is ideal for installation in air plenums, ducts, walls, conduit, ceilings, etc. where CMP fire rating is required. Each duplex 50/125 (OM2) multimode fiber patch cable is individually tested and certified to be within acceptable optical insertion loss limits for guaranteed compatibility and 100% reliability, and is backed by our lifetime warranty.