The JBX43186 4-meter LC/APC to FC/UPC simplex singlemode fiber patch cable represents a reliable solution for telecommunications, data center, and enterprise networking environments requiring precise signal transmission over fiber optic infrastructure. Technical Excellence: This cable features industry-standard 9/125 singlemode fiber construction with G.657.A1 glass fiber composition, optimized for minimal signal loss and maximum data integrity. The duplex design with LC/APC and FC/UPC connectors ensures compatibility with diverse equipment configurations while maintaining low insertion loss of ≤0.35dB (typical 0.15dB) and superior return loss performance of ≥20dB. Attenuation ratings of 0.25 dB/km at 1310nm and 0.35 dB/km at 1550nm meet demanding wavelength requirements for DWDM and long-distance transmission applications. Construction and Compliance: The 1.8mm outside diameter jacketing is rated OFNR (Optical Fiber Non-Conductive Riser), meeting building safety codes for vertical installations. TAA compliance and RoHS/ELV certification address procurement requirements for government contracts and regulated industries. The bright yellow jacket facilitates rapid cable identification and tracing in complex installations. Practical Benefits: With 4 meters of precut length, this patch cable eliminates field termination requirements and associated labor costs. Custom lengths are available for specialized installations. Free standard shipping on orders over $99 provides cost-effective procurement, while warehouse availability across multiple U.S. locations ensures rapid deployment. Applications: Ideal for connecting optical equipment in data centers, telecommunications facilities, enterprise LANs, and carrier networks. The simplex configuration suits single-directional signal transmission scenarios where separate receive and transmit cables are deployed. Warranty and Support: Every cable includes 90-day limited warranty coverage, with products manufactured in Taiwan, U.S., and China facilities meeting stringent quality standards.