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Lead Sheath Steel Wire Armoured O.F. Cable

Salient Features

  • Loose Tubes filled with Gel
  • Stranded around Central Strength Member
  • Interstices filled with Gel
  • Core Wrap
  • Flame Retardent PVC Inner Sheath
  • Lead Sheath
  • Second Inner Sheath
  • Helically stranded Steel Wire Armour
  • Flame Retardent PVC Outer Jacket

Applications

  • Petro Chemical Plants
  • Junction Communication System, LANs
  • Direct Buried Installation
Standards and Performance Characteristics 
Reference Standards: Industry Standard Storage Temperature: -40o C to +70o C
Fiber Specifications: Single Mode Multi Mode Operating Temperature: -40o C to +70o C
Testing Procedures: IEC-60794-1 (or) EIA/TIA-455 Max Pulling Tension: 2700 Newton
Fiber TypeAttenuation (dB/km)Bandwidth (Mhz.km)
850nm1300nm1310nm1550nm850nm1300nm
Multi Mode 50/125um (G.651) < 3.0 < 1.0 NA NA > 400 > 800
Multi Mode 62.5/125um (G.651) < 3.2 < 1.2 NA NA > 160 > 500
Single Mode Dispersion Un-shifted (G.652) NA NA < 0.38 < 0.25 NA* NA*
Single Mode NZDS (G.655) NA NA NA < 0.25 NA* NA*

Fiber/Tube Colours: As Per IEC 60304

  • Blue
  • Orange
  • Green
  • Brown
  • Gray
  • White
Cable CodeFiber
Count
Fibers Per
Loose Tube
No. of
Active
Loose
Tubes
Outer Dia
(mm)
Min. Bending
Radius(mm)
Net
Weight
(kg/km)
MM 50/125um
(G.651)
MM 62.5/125um (G.651)SM Disp. Un-shifted (G.652)SM NZDS (G.655)No LoadUnder
Load
ALAM6004 ALAM5004 ALAM1004 ALAM4004 4 4 1 19.2 288 384 1017
ALAM6008 ALAM5008 ALAM1008 ALAM4008 8 4 2 19.2 288 384 1018
ALAM6012 ALAM5012 ALAM1012 ALAM4012 12 4 3 19.2 288 384 1018
ALAM6024 ALAM5024 ALAM1024 ALAM4024 24 4 6 19.2 288 384 1019

Notes:

* Bandwidth of single mode fiber is generally not required to be measured, instead chromatic dispersion is measured

  1. Other fiber counts are available as per customer requirements
  2. Customized cables can be manufactured as per customer requirements