FinMark FTTHxxx-SM-18/Flex optical distribution cable
FinMark FTTHxxx-SM-18/Flex optical distribution cable
- Cable type FTTH
- Design Armored
- Application Soil, in cable-conduit lines, tunnel, entering into the building
Fiber Count of an Optical Cable
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Description
Usage:
FinMark FTTHxxx-SM-18 “last mile” distribution optical cable is used in FTTH networks with 1, 2 or 4 fibers.It is designed for hanging between buildings or pillars (self-supporting structure) and laying in buildings, risers, attics, basements, pipelines, along baseboards, in offices and apartments. Easily attached to any flat surface, simple and convenient in preparation and installation.
Cables with reduced losses at bends (“Flex”) can be laid in cramped places inside apartment buildings or offices: along baseboards or jambs, when sharp turns or use of clamps during installation are unavoidable.
Design:
The cable contains one, two or four optical fibers, in accordance with the ITU-T Recommendation G.652D (standard single-mode fiber with a low water peak). The outer sheath is made of non-flammable halogen-free low-smoke material – LSZH (Low Smoke ZeroHalogen). Resistance to longitudinal stretching of the cable is provided by two steel wire strength elements. The supporting element for cable suspension is made of phosphated steel wire with a diameter of 1.0 mm.
The cable can also use fibers that comply with the ITU-T Recommendation G.657.A1 (single-mode fiber with reduced bending loss). In this case, the cable marking uses the “Flex” index. The minimum bending radius of such a cable is much smaller than usual – up to 20…30 mm.