The JBX43666 4m LC/UPC to FC/APC Simplex Singlemode Fiber Patch Cable represents a premium solution for organizations requiring dependable fiber optic connectivity. This specialized cable bridges different connector types commonly found in telecommunications infrastructure, making it indispensable for network upgrades, expansions, and maintenance operations. Technical Excellence: Constructed with 9/125 singlemode fiber and G.657.A1 glass fiber specifications, this cable delivers exceptional performance characteristics. The insertion loss of ≤0.35dB (typical 0.15dB) ensures minimal signal degradation, while the return loss of ≥20dB maintains signal integrity. Attenuation testing confirms performance at both 1310nm and 1550nm wavelengths, making it suitable for various network protocols and equipment. Quality and Compliance: Manufactured with RoHS/ELV compliance and TAA certification, this cable meets stringent government and enterprise procurement standards. The OFNR-rated yellow jacket provides fire safety in riser applications while offering visibility during installation and maintenance. The 1.8mm outer diameter provides optimal balance between durability and flexibility. Practical Features: Available in 4m length with custom length options, this simplex configuration transmits signals in one direction while maintaining cost efficiency. The straight-through polarity design ensures straightforward installation without signal confusion. Ships from three U.S. locations with free standard shipping on orders exceeding $99, ensuring rapid delivery and accessibility. Ideal Applications: Perfect for telecommunications facilities, data center interconnections, enterprise network upgrades, and laboratory testing environments. The combination of LC/UPC and FC/APC connectors addresses mixed-generation equipment environments where different standards coexist. Warranty and Support: Backed by a 90-day limited warranty, ensuring confidence in your investment. Compatible with G.657.A1 specifications, this cable represents future-proof infrastructure investment.