The duplex fiber patch cord is OS1/OS2 with 1.6mm cable zipcord jacket. It is Plenum (OFNP), features LC Duplex connectors, has standard insertion loss and is 3 meters in length. This cord is Keyed E - Orange LC Duplex on one end, non-keyed E - Orange LC Duplex connection on the other end as part of a keyed cabling systems that provides an additional layer of physical security, mating only with matching keyed components. The cable jacket color is orange.