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NEK606 Optical Fibre Cables F5 QFCB
  • NEK606 Optical Fibre Cables F5 QFCB

NEK606 Optical Fibre Cables F5 QFCB

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Applications

These steel armoured optical fibre cables are flame retardant, low smoke, halogen free and fire resistant, used for communication and emergency systems that need to be operational during fire.

Standards

IEC 60794

IEC 60811-2-1

IIEC 60331-25

IEC 60332-3-24

IEC 60332-3-22

IEC 60754-1,2

IEC 61034-1,2

NEK 606:2004


Construction

  • Fibre Element : Loose tube core design.
  • Central Strength Element : Steel wire or fibre reinforced plastic (FRP).
  • Bedding : Halogen free and flame retardant thermoplastic compound.
  • Armour : Galvanized steel wire braid.
  • Outer Sheath1 : Halogen free and flame retardant, UV-stabilized, thermoplastic compound, SHF1.
  • Outer Sheath2 : Mud resistant and halogen-free thermoplastic compound.

Technical Data

Fibre Type 9/125 50/125 50/125 62.5/125
ITU-T type G652.D G651 G651 -
IEC11801 Classification OS1 & OS2 OM2 OM3 OM1
Core Diameter μm 8.7±0.4 50±3.0 50±3.0 62.5±3.0
Cladding Diameter μm 125 ±1.0 125 ±2.0 125 ±2.0 125 ±2.0
Coating Diameter μm 245 ±10 245 ±10 245 ±10 245 ±10
Maximum Attenuation
@850 nm dB/km - 3 3 3.5
@1300 nm dB/km - 1.5 1 1.5
@1310 nm dB/km 0.36 - - -
@1550 nm dB/km 0.22 - - -
Minimum Bandwidth(OFL*)
@850 nm MHz.km - 500 1500 200
@1300 nm MHz.km - 500 500 600
Maximum Chromatic Dispersion
1285-1330 nm ps/nm⋅km 2.8 - - -
1550 nm ps/nm⋅km 18 - - -
Zero Dispersion Wavelength nm 1300~1324 - - -

Mechanical and Thermal Properties

  • Bending Radius : 20×OD (during installation); 10×OD (fixed installed).
  • Temperature Range : -40℃ ~ +70℃.

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