OM1: These cables come with an orange jacket and have a 62. They support 10 Gigabit Ethernet applications at 33 meters, but are usually used for 100 Megabit Ethernet applications. Standard patch cords are available in simple or duplex style, have matching connectors. There are two different kinds of optical fiber cables, single mode and multimode. There also are four types of multimode fiber identified by the “OM” (optical multi-mode) designation described by the ISO/IEC 11801 and they are: OM1, OM2, OM3 and OM4. And more and more businesses are upgrading their cabling to accommodate 5G capabilities. But how do you determine the best.