Corning's 720 series ST (single tube) fiber connectors and adapters offer superior performance and high repeatability. These products are fully intermate able with all standard ST products and deliver very high stability under a wide range of applications and conditions. Among the different types of fiber optic cables are the ST fiber patch cables, also known as straight tip cables, which are mainly used for device-to-device connectivity in modern networks. This article presents general information on ST fiber patch cords, particularly their shape, purpose, and. OFNR Riser Rated fiber optic assembly with duplex ST fiber connectors and ceramic ferrule duplex LC fiber connectors. 5/125um, high speed, low loss, multi-mode data transmission. Zip-cord reinforced, orange colored, 2. 0mm thick outer diameter, PVC, fiber optic jumper cord.