SC/APC to ST/APC OS2 Simplex Single-Mode Fiber Patch Cord, 2.0mm LSZH
This OS2 simplex single-mode patch cord connects an SC/APC interface to an ST/APC interface while keeping APC polish at both ends. The current product page specifies OS2 9/125μm single-mode fiber, Corning ClearCurve® G.657.A1 fiber, a 2.0mm LSZH jacket, and ≤0.3 dB insertion loss.
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This SC/APC to ST/APC patch cord is a mixed-connector, same-polish configuration in the OS2 single-mode simplex range. It uses SC and ST connector formats at opposite ends while keeping APC polish at both ends. The current page specifies OS2 9/125μm single-mode fiber, Corning ClearCurve® G.657.A1 fiber, a 2.0mm LSZH jacket, and ≤0.3 dB insertion loss.
| Connector A | SC APC | Connector B | ST APC |
| 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/APC to ST/APC Mixed-Connector Pairing
The defining difference of this SKU is the SC-to-ST connector conversion. Both ends use APC polish, so the page should emphasize the connector pairing rather than describe it as a mixed-polish cable.
Same APC Polish, Different Connector Types
SC/APC and ST/APC share the APC polish type but use different connector bodies. Confirm that one endpoint requires SC/APC and the other requires ST/APC before ordering.
OS2 Simplex, 2.0mm LSZH, ≤0.3 dB
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, 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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