ST-ST Fiber Optical Patch Cord

Fiber Optic Patch Cord / Pigtail

ST-ST Fiber Optical Patch Cord

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ST-ST Fiber Optical Patch Cord



ST Fiber Optic Patch Cord stands for Straight Tip- a quick release bayonet style connector developed by AT&T. STs were predominant in the late 80s and early 90s.ST Connectors are among the most commonly used fiber optic connectors in networking applications. They are cylindrical with twist lock coupling, 2.5mm keyed ferrule. The ST connector has a bayonet mount and a long cylindrical ferrule to hold the fiber. Because they are spring-loaded, you have to make sure they are seated properly. They are easily inserted and removed due to their design.



  • Superior qualified standard PC/UPC/APC polishing
  • Compliant with Telcordia GR-326-Core, TIA/EIA and IEC61300
  • 100% optic test (Insertion Loss & Return Loss)
  • 9mm, 2.0mm and 3.0mm cable optional
  • Simplex / Duplex Optional
  • Flexible boot are available



  • High Speed and volume Fiber Optic Transmission Systems
  • CATV Networks
  • LAN
  • Fiber Optic Instrumentation


Technical Specifications

Patch Cord/Pigtail Spec
Type Single mode(UPC) Single mode(APC) Multi-mode (PC)
Insertion loss ≤0.2 dB ≤0.2 dB ≤0.2 dB
Return Loss ≥50 dB ≥60 dB ≥35 dB
Repeatability ≤0.1dB
Durability ≥1000matings
Operating Temperature -40 ºC to +80 ºC
Tensile Strength(N) ≥90N (φ3), ≥70N (φ2)




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