SC/UPC to ST/UPC OS2 Simplex Single-Mode Fiber Patch Cord, 2.0mm LSZH
This OS2 simplex patch cord connects an SC/UPC interface to an ST/UPC interface while keeping UPC polish at both ends. The current specification lists OS2 9/125μm single-mode fiber, Corning ClearCurve® G.657.A1 fiber, a 2.0mm LSZH jacket, customizable 1m–30m lengths, and ≤0.3 dB insertion loss.
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This SC/UPC to ST/UPC patch cord is the mixed-connector, same-polish configuration in the OS2 single-mode simplex range. It connects an SC/UPC interface to an ST/UPC interface while keeping UPC polish at both ends. The current page specifies OS2 9/125μm single-mode fiber, simplex single-core construction, Corning ClearCurve® G.657.A1 fiber, a 2.0mm LSZH jacket, customizable 1m–30m lengths, and ≤0.3 dB insertion loss.
| Connector A | SC UPC | Connector B | ST UPC |
| Fiber type | OS2 9/125μm Single Mode | Wavelength | 1310/1550nm CWDM DWDM |
| Fiber Count | Simplex Single Core | Standard Length | Customizable 1m~30m |
| Glass Fiber | Corning ClearCurve® G.657.A1 | Cable Jacket | LSZH Low Smoke Zero Halogen |
| Insertion Loss | ≤0.3dB | Cable Outer Diameter | 2.0mm Yellow Outer |
Product Highlights
SC/UPC to ST/UPC Mixed-Connector Configuration
This SKU changes the connector family from SC to ST while keeping UPC polish at both ends. It should be selected when the two endpoints require different connector bodies but the same UPC polish.
Match Each End to the Correct Interface
The cable itself does not define a transmit direction, but each physical connector still needs to match its endpoint: SC/UPC on the SC side and ST/UPC on the ST side.
OS2 Simplex, G.657.A1, 2.0mm LSZH
The current page lists OS2 9/125μm single-mode fiber, simplex single-core construction, Corning ClearCurve® G.657.A1 fiber, a 2.0mm yellow LSZH outer jacket, and insertion loss of ≤0.3 dB.



Strict Optical Cable Performance Inspection
Network fiber patch cords demand steady transmission performance and long service life. We select OS2 single-mode fiber, premium LSZH outer material and a mature production process to support stable connections for LAN and fiber network engineering projects.
![]() 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. Our factory owns complete production and testing workshops, and supports customized OEM & ODM service for various network system suppliers.
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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