Prysmian says 864-fiber blown microduct cable cuts diameter by 20% for FTTx, 5G networks

Jan. 20, 2023
With the addition of its 864-fiber cable, Prysmian Group contends that its Sirocco HD cables now provide among the smallest diameters and the highest fiber densities for microduct cables.

Prysmian Group has this month announced an extension of its Sirocco HD line of microduct cables to include an 864-fiber cable. Sirocco HD cables provide world record diameters and fiber densities for blown microduct cables.

The new cable pack 864 fibers into a diameter of 11.0 mm, providing a fiber density of 9.1 fibers per mm2, and is installable into a 13mm duct.

Available in fiber counts from 96 to 864 and conforming to international standards for optical and mechanical performance, the Sirocco HD cables also benefit from the use of Prysmian’s PicoTube technology -- making them up to 20% smaller than previously available microduct cables, as reckoned by the manufacturer.

The company says its PicoTube technology makes it possible to install more fibers into congested duct space, and enables the use of smaller ducts for new installations, resulting in lower installation costs and less use of raw materials.

Significantly, the Sirocco HD microduct cables utilize Prysmian’s BendBright-A2 200µm single-mode (ITU-T G.657.D, G.657.A2) bend insensitive fiber, providing a cable that is futureproof and ready for use in evolved FTTx and 5G systems, but also compatible with any already-installed legacy G652 fiber.

Finally, the cables' reduced diameters and increased fiber densities not only provide cost savings to telecom networks owners and builders, but allow them to reduce carbon and environmental footprints to meet sustainability goals and requirements.

Ian Griffiths, Global R&D VP, Telecom Business. at Prysmian Group, commented:

Bend-insensitive fiber optic cables will be crucial for the building of full fiber networks. The extreme fiber count and reduced diameter of the Sirocco HD microduct cables make installation faster and more cost-effective. The cables are also sustainable as they are designed for installation into microducts, making them easily deployable in future-fit solutions such as high-density access, FTTx and 5G networks.”

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