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Manufactured Products

STII Connectors

st II connectors

FiberSource's high quality ST® II connectors are made in the U.S.A. FiberSource ST's meet or exceed current industry standards. FiberSource ST Connectors meet Telcordia, EIA/TIA, and IEC specifications and should meet environmental specifications in Telcordia GR-326 if our termination procedures and ST® Adapters are used.


  • Machined Nickel Plated Brass Coupling Nut & Body
  • Meets Telcordia and EIA / TIA Specifications
  • For PC, Super PC, or Ultra PC Applications
  • Multi Mode or Singlemode
  • Preradiused Zirconia Ferrule and Stainless Steel Ferrules
  • ST® II Style Bayonet Coupling and Crimp Style
  • Foldback Style Crimping For Easy Termination
  • RoHS Compliant
  • Assembled in Greenville, South Carolina


  • Insertion Loss*: <0.25dB(SM), <0.4dB(MM) (Typical)
  • Return Loss*: >65dB(SM), >30dB(MM)
  • Durability: 1000 Matings
  • Tensile Strength: > 20 lbf
  • Flexure: >100 Cycles
  • Operational Temperature: -40° C to 80° C
    * Depends on fiber/ferrule match, fiber properties and processes.

More Info

Spec Sheet

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