Optical Fiber Cables

Buried Cable

Armored optical cable engineered for direct burial with reinforced mechanical protection. Withstands ground stress, moisture ingress, and physical impact in outside plant environments.

Buried Cable — ZTT fiber optic product

Features & Characteristics

  • S-Z stranded (up to 624 fibers) or central tube structure (up to 144 fibers)
  • Metallic or non-metallic armor providing good crush resistance
  • Steel wire or FRP for center strength member
  • Good water penetration, mechanical and environmental performance
  • PE or LSZH sheath materials
  • In accordance with IEC, ITU and EIA standards

Applications

  • Direct-buried outside plant routes
  • Rural, urban and industrial fiber backbones

Typical Specifications

Reference type
OFC-24-FStDB-S1
Fiber count (typ.)
24
Nominal diameter
12.5 mm
Nominal weight
145 kg/km
Nominal pulling force
2000 N
Crush resistance
3000 N/10 cm

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