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New FN underground cabinet (high capacity) - PowerPoint PPT Presentation


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New HFC underground cabinets. New LA underground cabinet (1 LA max.+ 3 RF passives). New FN underground cabinet (high capacity). Waterproof (IP68) sheet molding compound cabinet Up to 1 Last Amplifier and 3 RF passives Up to 35 watt inside heat dissipation

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Presentation Transcript
slide8

New HFC underground cabinets

New LA

underground cabinet

(1 LA max.+ 3 RF passives)

New FN

underground cabinet

(high capacity)

slide9

Waterproof (IP68) sheet molding compound cabinet

  • Up to 1 Last Amplifier and 3 RF passives
  • Up to 35 watt inside heat dissipation
  • Compact size, easy installation, low cost
slide10

Waterproof (IP68) carbon steel cabinet

  • Typical capability: 1 Optical Termination, 1 E/O Converter, 1 Launch

Amplifier, 1 Last Amplifer, 1 Power Supply, a set of passives

  • Up to 200 watt inside all passive heat dissipation
  • Push-pull pantograph for easy equipment extraction
slide14

In 1996 Sirti Polska carried out the crossing of Vistula river near the centre of Warsaw by means of a 770 m directional drilling

slide15

In 1996 Sirti Portugal carried out the installation of an 840 km optical cable link along a TRANSGAS gas-pipeline by means of air blowing

  • 6 km optical cable drums were used
  • 4 intermediate blowing points for each cable drum were located by

means of calculations in order to consider installation conditions

slide16

Air blowing installation main features:

  • Cable diameter: 13 mm
  • Cable weight: 150 g/m
  • Duct inner diameter: 41 mm
  • Air speed: 3000 m/min.
  • Cable speed: 50 m/min.
  • 1-2 cable drums (6-12 km) a day on average

Sirti Portugal’s TRANSGAS Project

slide17

Since 1983 (Suvereto, Italy, 1000 kV power line for ENEL) Sirti has been installing aerial optical cable of different types. Present activities are:

  • ADSS cable: 100 km link for Telecom

Colombia (350 m of cable for each span)

  • OPGW cable: 300 km link for ENEL
  • Wrapped cable: 1300 km link for ENEL
slide18

Ad hoc, low cost and easy istallation solutions for special situations are often directly designed by Sirti

The installation of a leaky cable for mobile services into a railway tunnel is carried out by means of properly designed accessories

slide20

All dielectric broad band link

  • 2 GHz downstream bandwidth
  • Low environmental impact
  • Easy installation
  • Full compliance with future

network and service evolution

  • Up to 4 user terminal equipment
  • Low cost