GTT Communications Dark Fiber

by GTT Communications

Private network tailored to your needs

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Long-Haul Fiber

GTT long-haul fiber network covers Western and Central Europe, connecting key European cities. GTT owns the network from the duct level up, with a large multi-fiber cable already deployed and the capacity to deploy additional cable as and when demand dictates. GTT’s long-haul fiber service is based on a single fiber type: Corning® LEAF® (G.655). This ensures higher predictability, which is fundamental for optimal network design.

Fiber Specifications

  • Fiber polarization mode dispersion: <0. 50 ps/sqrt (km)
  • Chromatic dispersion @1625nm: 4.5 - 11.2 ps/(nm.km)
  • Chromatic dispersion @1550nm: 2.0 - 6.0 ps/(nm.km)
  • Attenuation at 1625nm: <0.27 dB/KM
  • Attenuation at 1550nm: <0.25 dB/KM
  • Fiber Type: Corning® LEAF® (G.655)

Metro Fiber

GTT’s metropolitan fiber footprint includes substantial fiber and duct assets in several key European cities including London, Paris, Frankfurt, Amsterdam, Rome, Milan, Madrid, Zürich, and Vienna. The GTT metro fiber product is based on G652 fiber.

Fiber Specifications

  • Fiber polarization mode dispersion: <0.50 ps/sqrt (km)
  • Chromatic dispersion @ 1550nm: <18 ps/(nm.km)
  • Attenuation at 1550nm: <0.25 dB/KM
  • Attenuation at 1310nm: <0.35 dB/KM
  • Fiber Type: G.652 (mixed supplier)