It is composed of 48 singlemode fibers (9 micron core) inside a water blocking Aramid yarn wrapped in a black PVC outer jacket. The cladding diameter is 125. ations, complying with IEC standards for low smoke/zero halogen and Eu oClass (Cca or B2ca) for fire protection. It shal s cable can be used for outdoor data communications connections including CATV, telecom trunk and ac OS2. 8 (forty-eight) indoor/outdoor distribution armored fiber optic cable. 657A1 BIF, INDOOR/OUTDOOR REMEE C CABLE 48 -SM OS2 G. It is the ole. GYTA53 Double Jacket Double Armoured Direct Burial 48 Cores outdoor Optical Fiber Cable Cable structure: The structure of GYTA53 layer stranded 53 cable is to embed 250um fiber into a loose sleeve made of high modulus material, and fill the loose sleeve tube with waterproof compound. Single mode fiber is optimized to. 48 Core GYTY53 fiber optic cable is used for direct buried underground, it suit for long distance and LAN fiber communications, we supply both the single mode GYTY53 cable and multimode GYTY53 cables. GYTY53 fiber cable is stranded loose tube structure with steel tape double sheaths, the loose tube. Corning ALTOS® all-dielectric gel-free cables are designed for outdoor and limited indoor use for backbones in lashed aerial and duct installations. The loose tube gel-free design is fully waterblocked using craft-friendly, water-swellable materials, which means cable access is simple and no clean.