OM4 LC LC Fiber Patch Cable | Erika Violet, Duplex 50/125 Multimode Jumper. Use Erika Violet OM4 fiber patch cables to quickly identify your OM4 fiber cabling from your aqua OM3 cabling. Save time and money with our high-performance, low loss, 1/10/40/100Gb, Corning 50/125um laser optimized multimode fiber jumper. Terminated with duplex 1.25mm ceramic ferrule LC to LC connectors.