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Indoor Single-Mode Eight-Core Optical Cable

Indoor single-mode eight-core optical cables are designed for high-speed, long-distance data transmission within buildings, featuring tight-buffered fibers, LSZH jackets, and robust indoor installation compatibility.Key Specifications and Construction

Indoor single-mode 8-core optical cables typically consist of eight individual single-mode fibers (9/125 µm) enclosed within a single cable jacket . Each fiber is coated with a UV-curable acrylate primary protective layer and reinforced with multi-strand aramid yarn for tensile strength . The cable often features a tight-buffered design (0.9 mm) for easy handling and installation, and an LSZH (Low Smoke Zero Halogen) outer jacket to minimize smoke and toxic gas in case of fire .

  • Core diameter: 9 µm
  • Cladding diameter: 125 µm
  • Tight buffer thickness: 0.9 mm
  • Outer LSZH jacket diameter: 5.3 mm
  • Weight: ~20 kg/km
  • Optional reinforcement: Stainless steel spiral for added mechanical protection
Features
  • Single-mode fiber: Optimized for long-distance, high-bandwidth transmission with minimal signal loss .
  • Breakout design: Some variants include individual fiber tubes with aramid yarn, facilitating direct termination and reducing the need for additional connectors .
  • Environmental safety: LSZH jackets ensure low smoke emission and no toxic gases during fire, making them suitable for indoor environments .
  • Flexibility and ease of installation: Lightweight, small diameter, and soft construction allow easy routing in conduits, trays, or between equipment .
Applications

Indoor single-mode 8-core optical cables are commonly used for:

  • Building backbone networks connecting floors or rooms
  • Data centers for interconnecting servers and switches
  • Telecommunication rooms and indoor distribution networks
  • High-speed broadband and enterprise networks requiring multiple fiber connections within a single cable
Advantages
  • High data capacity: Eight cores allow multiple simultaneous connections.
  • Long-distance transmission: Single-mode fibers support extended reach with low attenuation.
  • Safety and compliance: LSZH jackets meet fire safety standards for indoor use.
  • Durability: Reinforced with aramid yarn and optional steel spiral for mechanical protection. Indoor single-mode 8-core optical cables provide a reliable, safe, and efficient solution for modern indoor fiber optic networks, combining high performance with ease of installation and compliance with safety standards .
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