Get exactly the jumper you need to make the transition from cross-connect point to the electronics. With unmatched insertion loss and exceptional return loss, OCC's full line of fiber jumpers ensures the right connection every time. Available in simplex and duplex, multimode 50/125, OM3, OM4, 62.5/125, or single-mode in a variety of connector types and lengths. The discrete connectors utilize ceramic ferrules. Listening to customers in the industry, OCC has standardized on the AE series 2.0mm fiber cable for any simplex or duplex jumper that has one or two LC’s attached. The AX series 3.0mm fiber is used for all other connector types. For 50/125 and 62.5/125 jumpers, our standard jacket color is orange. For OM3 and OM4, the standard jacket color is aqua. For single-mode jumpers, the standard. The jacket color is yellow.