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ADSS Fiber Optic Cable

Time:2019-11-6Posted:Shenzhen Huazhaotong Technology Co., Ltd

ADSS Fiber Optic Cable Definition

ADSS Fiber Optic Cable is short for All-Dielectric Self-Supporting Fiber Cable. ADSS is a type of optical fiber cable that is strong enough to support itself between structures without using conductive metal elements. It is used by electrical utility companies as a communications medium, installed along existing overhead transmission lines and often sharing the same support structures as the electrical conductors.

ADSS Fiber Optic Cable Advantage

  • ADSS is an alternative to OPGW and OPAC with lower installation cost.
  • Strong structure to allow lengths of up to 700 metres to be installed between support towers.
  • Light weight and small in diameter to reduce the load on tower structures due to cable weight, wind, and ice.
  • No strain, to maintain low optical loss throughout the life of the cable.
  • The cable is jacketed to prevent moisture from degrading the fibers.
  • The jacket also protects the polymer strength elements from the effect of solar ultraviolet light.
  • The cable jacket and gel coating of fibres provides protection from chemical attack.

Using single-mode fibers and light wavelengths of either 1310 or 1550 nanometres, circuits up to 100 km long are possible without repeaters. A single cable can carry as many as 144 fibers. Usually, ADSS was used in 48 and 96 cores.

H: Height of Pole or Tower, Namely the distance betweeen lowest horizontal.
h: Requirement minimum distance or ADSS cable to ground
f: Maximum vertical sag of ADSS Cable
L: Span
∑L: Total Length betweek 2 tension fittings

ADSS Construction details

ADSS Central Tube Structure Fiber Optic Cable Construction Image

the fiber of a certain length is placed in a PBT loose tube filled with water-blocking material. Then it is wrapped with aramid yarn according to the desired tensile strength and extruded with PE or AT sheath. This structure has a smaller diameter and lighter weight. But the fiber length is limited.

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