The JBX11411 is a versatile LC/UPC to FC/UPC simplex fiber coupler engineered for reliable fiber optic cable interconnection. As a critical component in modern networking infrastructure, this adapter bridges connectors while maintaining optimal signal transmission and minimizing insertion loss. **Key Features:** This one-piece coupler design eliminates the complexity of multi-component assemblies, ensuring easier installation and reduced points of failure. The metal construction provides superior durability compared to plastic alternatives, withstanding thermal expansion and environmental stress. The simplex configuration handles single cables at a time, making it ideal for dedicated applications requiring one-directional signal flow or separate transmit/receive paths. **Compatibility & Specifications:** The adapter supports both single-mode (SM) and multimode (MM) fiber cables, offering flexibility across diverse network architectures. LC/UPC and FC/UPC connector standards ensure compatibility with most enterprise and commercial fiber optic systems. Measuring 4.0" in length with a compact 1" width and 0.5" height, the coupler integrates seamlessly into space-constrained environments. **Applications:** Ideal for telecommunications networks, data centers, campus networks, and fiber-to-the-home (FTTH) installations. Commonly used in network upgrades, temporary circuit testing, and equipment reconfiguration scenarios. **Quality Assurance:** Manufactured in Vietnam and China with compliance to EU directive 2002/95/EC (RoHS), ensuring environmental responsibility. The 90-day limited warranty provides peace of mind for your investment. Ships from strategically located U.S. warehouses in Danville, CA and Beaufort, SC, enabling rapid delivery. **Value Proposition:** Offer free standard shipping on orders exceeding $99, making bulk purchases economical. The metal construction and professional-grade engineering deliver superior performance compared to budget plastic alternatives, reducing downtime and maintenance costs over extended operational lifespans.