The JBX43591 ST/APC to FC/APC Simplex Fiber Patch Cable represents a solution for telecommunications professionals requiring dependable optical connectivity. At 50 meters, this singlemode fiber cable provides the extended reach necessary for campus networks, data centers, and telecommunications infrastructure without signal degradation. **Technical Excellence:** Constructed with 9/125 singlemode fiber and G.657.A1 glass fiber specification, this cable delivers superior performance across standard telecommunications wavelengths. Insertion loss is measured at ≤0.35dB (with typical performance of 0.15dB), while return loss maintains ≥20dB specifications. The cable exhibits attenuation of 0.25 dB/km at 1310 nm and 0.35 dB/km at 1550 nm, meeting rigorous industry standards verified through ANSI/TIA/EIA-455-171-A-2001 testing protocols. **Compliance and Safety:** TAA compliance ensures this cable meets Buy American requirements for government and defense sector projects. RoHS and ELV directive compliance demonstrates commitment to environmental responsibility. The OFNR riser rating permits installation in both plenum and riser pathways, providing flexibility for building infrastructure integration. **Practical Design Features:** The distinctive yellow jacket facilitates rapid cable identification in dense installation environments, reducing installation time and troubleshooting complexity. The compact 1.8mm outer diameter optimizes space utilization in cable trays and conduit runs. Straight-through polarity configuration ensures straightforward connectivity without reversal concerns. **Customization and Availability:** While this product ships in a standard 50m length, custom length options are available to accommodate specific installation requirements. Multiple US distribution centers (Danville, CA; Fort Worth, TX; Beaufort, SC) enable rapid delivery with free standard shipping on qualified orders. **Applications:** Ideal for network backbone connections, data center interconnects, telecommunications facilities, campus networking, and specialized fiber optic installations requiring TAA compliance. The cable suits both new installations and upgrade scenarios where optical signal transmission quality is paramount.