The JBX42749 ST/APC to LC/UPC Duplex Singlemode Fiber Patch Cable represents a premium solution for professional fiber optic networking installations. Spanning 90 meters in length, this cable bridges moderate to long distances while maintaining exceptional signal integrity, making it ideal for campus networks, data center expansions, and telecommunications infrastructure. Key Technical Specifications: Constructed with 9/125 singlemode fiber adhering to G.657.A1 standards, this cable provides superior optical performance. The ST/APC connector features an angled physical contact design offering enhanced return loss characteristics (≥20dB), while the LC/UPC connector ensures standard compatibility across most enterprise systems. This Type A to B crossover polarity configuration represents the industry standard for duplex patch cords, ensuring seamless integration. Optical Performance: With insertion loss measured at ≤0.35dB (typical 0.15dB) and attenuation specifications of 0.25 dB/km at 1310nm or 0.35 dB/km at 1550nm, this cable delivers exceptional optical clarity. Testing conducted per ANSI/TIA/EIA-455-171-A-2001 standards guarantees performance reliability. Compliance & Durability: TAA compliance makes this cable suitable for government and public sector contracts. RoHS/ELV certification ensures environmental responsibility. The riser-rated OFNR jacketing permits installation in building plenums and vertical runs while maintaining fire safety standards. Practical Features: The distinctive yellow jacket facilitates easy identification in complex cable management scenarios. The 1.8mm outer diameter enables routing through conduit and cable trays without space constraints. Manufactured with precision in Taiwan, the US, and China, quality assurance is built into every strand. Warranty & Support: Backed by a 90-day limited warranty, this cable represents a low-risk investment. Custom lengths are available for non-standard applications, and the product qualifies for free standard shipping on orders exceeding $99. Ships from strategically located US distribution centers in California, Texas, and South Carolina, ensuring rapid delivery. Applications: Ideal for long-distance LAN extensions, data center interconnects, telecommunications networks, fiber backbone installations, and high-performance computing environments requiring reliable optical signal transmission without compromise.