The OCC DX006DALT9QR DX Series is a versatile 6-fiber indoor/outdoor optic cable designed for reliable performance. Constructed with premium materials, it features a durable PVC blue jacket suitable for riser applications. For all other fiber counts, please contact OCC Sales. Optical Cable Corporation's Indoor/Outdoor tightbuffered fiber optic cables meet the functional requirements of the following standards: UL 1651 UL 1666 GR-409-CORE ICEA-S-104-696 ICEA-S-83-596 TIA-568 TIA-598 UL-listed type OFNR in accordance. UL-listed type OFNR in accordance with NEC sections 770-179 (B) and 770-154 (B) for use in vertical runs in building riser shafts or from floor to floor. Please Login Here to access additional documents. 900 µm buffer eliminates the need for costly and time-consuming installation of fanout kits or pigtail splices because connectors terminate directly to the fiber. This article will explore the differences, pros, cons, and best use cases. Side-by-side view of simplex and duplex fiber patch cords showing core and channel differences Side-by-side view of simplex and duplex fiber patch cords showing core and channel differences Simplex and duplex cables are the two primary structures used in fiber optic patch cords and pigtails.