The standard defines a 12-color sequence that cycles through tubes and repeats for fibers within each tube, allowing unique identification of every fiber in cables up to 288 fibers and beyond. Standard cable construction groups 12 fibers into each buffer tube. Universal OFC MLT: GLASS YARNS + CST + LSZH with 12 Tubes of Ø2. Universal (Indoor/Outdoor) dry core optical fiber Multi Loose Tube cable with glass yarns as strength member, Corrugated Steel Tape (Full Rodent Protected) armor and Low Smoke Zero Halogen outer jacket. A 24-fiber cable has 2 tubes, a. Fiber OSP cable, Zero Water Peak, ® Blown Micro Single Jacket All-Dielectric Outdoor Stranded Loose Tube 200um Fiber Arid-Core ™ Construction, 288 fiber, Singlemode G. A1, Gel-filled, Meters jacket marking, Black jacket color. BELLCORE's international core sequence is: Blue, Orange, Green, Brown, Gray, White, Red, Black, Yellow, Purple, Pink, Cyan; (Orange is also called Tangerine). The color code must conform to the Munsell color standard, which is the most comprehensively implemented color code arrangement globally. Surface printing i s/micro-ducts via hauling/blowing techniqu g/km. D "LWP", 1E = SM premium G.
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