The JBX93081 50-meter LC/ST duplex singlemode fiber patch cable represents professional-grade connectivity for demanding telecommunications and data center applications. Built to exacting standards, this cable combines exceptional optical performance with robust construction, making it the ideal choice for installations where reliability and signal integrity are paramount. **Superior Optical Performance:** With insertion loss of ≤0.35dB at typical values of 0.15dB, this cable minimizes signal degradation across long runs. Return loss exceeding 20dB ensures excellent connector quality and coupling efficiency. The cable meets ANSI/TIA/EIA-455-171-A-2001 standards for attenuation testing, with verified performance of 0.25 dB/km at 1310nm or 0.35 dB/km at 1550nm, accommodating various wavelength transmission requirements. **Premium Specifications:** Features authentic 9/125 singlemode fiber core construction with G.657.A1 glass fiber, ensuring compatibility with modern telecom infrastructure. The duplex configuration with LC/UPC and ST/UPC connectors provides Type A to B crossover polarity—the most common and proven configuration for duplex patch cords. The 1.8mm diameter jacket enables efficient space utilization in cable trays and conduits. **Regulatory Compliance & Safety:** TAA (Trade Agreements Act) compliant for government procurement, RoHS/ELV certified per EU Directive 2002/95/EC, and OFNR riser-rated for building installation safety. Multiple manufacturing locations (Taiwan, US, China) ensure supply chain reliability. **Applications:** Ideal for telecommunications networks, data center interconnects, campus backbone cabling, carrier networks, and enterprise fiber infrastructure. The 50-meter length accommodates medium-distance runs while maintaining optical performance. **Warranty & Support:** Includes 90-day limited warranty. Available in custom lengths for specific installation requirements. Free standard shipping on orders exceeding $99, with nationwide distribution from strategically located fulfillment centers in California, Texas, and South Carolina. **Professional Installation:** The robust construction and industry-standard connectors simplify installation while ensuring consistent performance over the cable's operational lifespan. Proper handling and storage maintain optimal connector endface condition and prevent fiber damage.