OS2 Duplex ST APC to ST APC Fiber Patch Cord, 9/125 Single-Mode, 2.0 mm LSZH
OS2 duplex ST APC to ST APC fiber patch cord with 9/125 μm single-mode fiber and a 2.0 mm LSZH jacket for PON and indoor optical links.
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OS2 Duplex ST APC to ST APC Fiber Patch Cord for PON and Indoor Optical Networks
This OS2 duplex fiber patch cord uses 9/125 μm single-mode fiber, ST APC connectors at both ends, and a 2.0 mm LSZH jacket. It is intended for compatible PON and indoor optical network links. Match APC-polished end faces with compatible APC interfaces; do not mate APC and UPC end faces together. ST connectors use a bayonet-style coupling mechanism, so confirm compatible ST ports 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 APC Connectors at Both Ends
Both ends use ST connectors with APC-polished end faces. Confirm that the connected equipment and adapters support ST APC interfaces. Do not directly connect APC-polished end faces to UPC-polished interfaces.
2.0 mm LSZH Jacket
The 2.0 mm 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 APC | Connector B | ST APC |
| Fiber Type | OS2 single-mode | Fiber Size | 9/125 μm |
| Cable Design | Duplex (2 fibers) | Jacket Material | LSZH |
| Jacket Diameter | 2.0 mm | Available Lengths | 1, 2, 3, 5, 10 m |
| Applications | PON and indoor optical networks |



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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