The JBX43442 55-meter FC/APC to FC/UPC simplex singlemode fiber patch cable is a professional-grade connectivity solution designed for mission-critical telecommunications, data center, and network infrastructure applications. This cable combines superior optical performance with robust construction to ensure reliable signal transmission in demanding environments. **Technical Specifications:** Built with a 9/125 micron singlemode core and G.657.A1 grade glass fiber, this cable meets stringent ANSI/TIA/EIA-455-171-A-2001 attenuation testing standards. The FC/APC (angled physical contact) to FC/UPC (ultra polished connector) configuration provides excellent return loss of ≥20dB, minimizing signal reflections and ensuring clean optical coupling. With insertion loss of ≤0.35dB (typical 0.15dB), this cable delivers minimal signal degradation over its 55-meter span. **Construction & Durability:** The cable features yellow riser-rated (OFNR) PVC jacketing with a compact 1.8mm outside diameter, facilitating easy installation through cable trays and conduit systems. The robust plastic accessories and materials ensure long-term durability in both indoor and light-duty outdoor installations. All components comply with RoHS Directive 2002/95/EC and ELV standards, meeting environmental and safety requirements for regulated procurement. **Compliance & Certification:** TAA (Trade Agreements Act) compliant, this cable meets federal procurement standards for government and contractor applications. The 90-day limited warranty provides assurance in performance and reliability. **Applications:** Ideally suited for: - Data center backbone connections - Telecom network installations - Single-direction signal transmission - Testing and measurement labs - Campus network deployments **Custom Solutions:** Required a different length? Custom lengths are available to match your specific installation needs. Ships from multiple locations (Danville CA, Fort Worth TX, and Beaufort SC) for faster delivery nationwide. Free standard shipping applies to orders exceeding $99. The JBX43442 represents an excellent balance of performance, compliance, and value for organizations requiring dependable singlemode fiber connectivity.