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Fiber optic cable Gyys single-mode

GYYS single-mode fiber optic cables are designed for long-distance, high-speed data transmission with minimal signal loss, typically featuring a small core diameter of 8–10 µm and supporting 1310 nm and 1550 nm wavelengths.

Overview

GYYS is a type of single-mode optical fiber cable commonly used in telecommunications, data centers, and FTTH (Fiber to the Home) networks. Single-mode fibers allow only one light mode to propagate through the core, which minimizes modal dispersion and enables transmission over distances up to 100 km without signal regeneration . The small core diameter of 8–10 micrometers ensures precise alignment of laser light, reducing attenuation and interference .

Technical Specifications

  • Core Diameter: 8–10 µm
  • Cladding Diameter: 125 µm
  • Wavelengths Supported: 1310 nm (O-band) and 1550 nm (C-band), with some fibers extending to 1625 nm (L-band) for DWDM applications
  • Standards Compliance: ITU-T G.652 (commonly G.652.B or G.652.D), IEC 60793-2-50, Telcordia GR-20-CORE
  • Attenuation: Typically low, around 0.35 dB/km at 1310 nm and 0.22 dB/km at 1550 nm
  • Dispersion: Minimal chromatic dispersion, especially in G.652.D fibers, supporting high-speed and long-haul transmission

Applications

GYYS single-mode cables are suitable for:

  • Long-haul telecommunications and backbone networks
  • Metropolitan and access networks
  • FTTH deployments
  • Data center interconnects
  • WDM/DWDM systems for high-capacity optical networks

Types and Deployment

Single-mode fibers are categorized as OS1 and OS2:

  • OS1: Indoor use, maximum distance ~10 km, suitable for campus or building networks
  • OS2: Outdoor use, maximum distance up to 200 km, ideal for backhaul and external plant networks GYYS cables are typically armored or non-armored, with loose tube or tight-buffered constructions, depending on environmental and installation requirements .

Advantages

  • High bandwidth and long-distance capability
  • Low signal attenuation and minimal interference
  • Compatibility with future upgrades, including 5G fronthaul and DWDM systems
  • Durability and reliability in harsh environments when using advanced coatings like ColorLock™ In summary, GYYS single-mode fiber optic cables are a reliable choice for high-speed, long-distance optical communication, offering excellent performance, compliance with international standards, and versatility for both indoor and outdoor deployments.

Fiber optic cable Gyys single-mode - TKMM Photonics Systems Sp. z o.o. [PDF]

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