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ST-SC Single-mode Single-core Fiber Optic Patch Cord

A single-mode, single-core SC fiber optic patch cord is a high-performance fiber jumper with SC connectors on both ends, designed for long-distance optical signal transmission.Overview

A single-mode SC-SC fiber optic patch cord features a single optical fiber (core) with SC connectors on both ends. It is typically used in telecommunication networks, data centers, and LAN environments to connect active devices, patch panels, or wall outlets. Single-mode fibers are optimized for long-distance transmission with minimal signal loss, making them ideal for high-speed and high-bandwidth applications .

Key Specifications
  • Fiber Type: Single-mode (OS2), 9/125 µm core/cladding diameter
  • Connector Type: SC/UPC (flat polish) for general use or SC/APC (angled polish) for low-reflection applications
  • Jacket Material: Options include LSZH (Low Smoke Zero Halogen) or OFNR (plenum-rated) for safety and fire resistance
  • Cable Diameter: Commonly 2.0–3.0 mm
  • Color Coding: Yellow jacket indicates single-mode fiber for easy identification
  • Performance: Low insertion loss and back reflection, factory-tested for optical quality
  • Lengths: Standard lengths include 1m, 3m, 5m, 10m, with custom lengths available
Applications
  • Data Centers: Connecting servers, switches, and patch panels
  • Telecommunications: Long-distance optical signal transmission
  • LAN Networks: Interconnecting network devices and wall outlets
  • High-Power or Video Systems: SC/APC connectors reduce reflection for sensitive applications
Advantages
  • High Performance: Ensures minimal signal loss and high reliability
  • Durable Construction: Ceramic ferrules and high-quality optical fiber
  • Versatility: Available in simplex (single-core) or duplex configurations
  • Ease of Identification: Yellow jacket and standardized connector types simplify installation and maintenance
Purchasing Considerations

When selecting a single-mode SC patch cord, consider:

  • Connector polish type (UPC vs APC) based on reflection requirements
  • Cable length to avoid excess slack or tension
  • Jacket type for environmental and safety compliance
  • Testing and certification to ensure low insertion and return loss High-quality options are available from suppliers like Optcore, Techlogiks, Fiber24, and Polyphaser, often accompanied by optical quality measurement reports and functional testing to guarantee performance .
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Technical note

This reference is intended for preliminary fiber optic patch cord research. Compatibility, link budgets, connector types, polish, installation methods, test limits and applicable standards must be verified for the specific project.

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