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The GYTA53 optical cable is composed of 250 µm optical fibers housed in loose tubes made from high-modulus material and filled with a water-blocking compound. A metallic strength member is positioned at the center of the cable core, and for certain fiber counts, this central strength member is additionally coated with a polyethylene (PE) layer. The loose tubes, along with filler cords, are stranded around the central strength member to form a compact and circular cable core. The interstices of t