OS2 Duplex ST UPC to ST UPC Fiber Patch Cord for Indoor Telecom Cabling

This OS2 duplex fiber patch cord uses 9/125 μm single-mode fiber with ST UPC connectors at both ends and an LSZH jacket. ST connectors use a bayonet-style coupling mechanism. Match UPC-polished end faces with compatible UPC interfaces and confirm ST connector compatibility at both ends before ordering. Browse the OS2 Singlemode Duplex category for other connector configurations.

OS2 9/125 Single-Mode Fiber

OS2 9/125 μm single-mode fiber is intended for compatible single-mode optical links.

ST UPC Connectors at Both Ends

Both ends use ST connectors with UPC-polished end faces. The bayonet-style coupling helps secure each connector in a compatible ST adapter. Confirm connector type and polish at the connected equipment before ordering.

LSZH Jacket

The LSZH jacket is intended for installations requiring low-smoke, zero-halogen cable materials. Confirm the site’s applicable installation and fire-safety requirements before deployment.

Connector A	ST UPC	Connector B	ST UPC
Fiber Type	OS2 single-mode	Fiber Size	9/125 μm
Cable Design	Duplex (2 fibers)	Jacket Material	LSZH
Available Lengths	1, 2, 3, 5, 10 m	Applications	Indoor telecom cabling

LSZH sheath infographic showing a yellow fiber optic cable and listed sheath properties

OS2 single-mode fiber structure diagram labeled 9/125 μm, showing fiber core, cladding, coating, aramid yarn and LSZH jacket

Fiber cable construction illustration showing fiber core, coating layers, LSZH sheath and ceramic ferrule components

Strict Optical Cable Performance Inspection

Fiber patch cords require stable transmission performance and long service life. We select high-standard single-mode fiber core, premium LSZH outer material and mature production process to support stable optical transmission, reliable connector performance and long-term network deployment.

3D Interferometer Test

End-Face Inspection

Insertion Loss and Return Loss Testing

Strict Quality Control System

Consistent stable quality is our core competitiveness for fiber optic products. Our technical team has extensive experience in fiber optic communication.

Quality Certification

We control the quality of our products, including our strict qualification of manufacturers, quality control process and production technology, and compliance with certification and safety standards. At present, our products meet the industry standards and mainstream quality certification, such as ISO 9001, CE, RoHS, FCC, etc.

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OS2 ST-ST Duplex

OS2 Duplex ST UPC to ST UPC Fiber Patch Cord, 9/125 Single-Mode, LSZH Jacket