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 StandardStorage Temperature: -40o C to +70o C
Fiber Specifications: Single Mode Multi ModeOperating Temperature: -40o C to +70o C
Testing Procedures: IEC-60794-1 (or) EIA/TIA-455Max Pulling Tension: 2700 Newton
Fiber TypeAttenuation (dB/km)Bandwidth (Mhz.km)
850nm1300nm1310nm1550nm850nm1300nm
Multi Mode 50/125um (G.651)< 3.0< 1.0NANA> 400> 800
Multi Mode 62.5/125um (G.651)< 3.2< 1.2NANA> 160> 500
Single Mode Dispersion Un-shifted (G.652)NANA< 0.38< 0.25NA*NA*
Single Mode NZDS (G.655)NANANA< 0.25NA*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
ALAM6004ALAM5004ALAM1004ALAM400444119.22883841017
ALAM6008ALAM5008ALAM1008ALAM400884219.22883841018
ALAM6012ALAM5012ALAM1012ALAM4012124319.22883841018
ALAM6024ALAM5024ALAM1024ALAM4024244619.22883841019

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