The JBX88385 20-meter ST/ST duplex singlemode fiber patch cable represents a critical component for enterprises, telecommunications providers, and data centers requiring dependable fiber optic connectivity. This professional-grade cable is engineered to deliver exceptional performance in demanding network environments. Technical Excellence: Constructed with a 9/125 micron singlemode core, this cable operates efficiently across standard telecom wavelengths. The G.657.A1 glass fiber specification ensures low attenuation rates of 0.25 dB/km at 1310nm and 0.35 dB/km at 1550nm, supporting both short-reach and long-distance transmission scenarios. With insertion loss testing at ≤0.35dB (typical 0.15dB) and return loss ≥20dB, this cable meets stringent performance requirements for critical applications. Compliance and Standards: TAA compliance makes this cable suitable for government and institutional procurement. RoHS/ELV directive adherence ensures environmental responsibility. The cable is manufactured in Taiwan, the United States, or China and tested in accordance with ANSI/TIA/EIA standards, providing confidence in quality and consistency. Physical Design: The distinctive purple OFNR riser-rated jacket protects the duplex fiber strands while meeting building code requirements. The compact 1.8mm outside diameter facilitates installation in cable trays and tight spaces. The duplex configuration with Type A to B crossover polarity is optimized for standard networking applications. Applications: Ideal for connecting network switches, optical transceivers, telecommunications equipment, and fiber optic test instruments. The 20-meter length suits intermediate-distance connections within data centers, telecommunications closets, and enterprise networks. Value Proposition: With free standard shipping on qualifying orders and a 90-day limited warranty, this product offers excellent total cost of ownership. Custom lengths are available for specific requirements. Manufactured by established suppliers with multiple warehouse locations ensuring rapid fulfillment from Danville CA, Fort Worth TX, or Beaufort SC.