The JBX90201 SC/ST duplex singlemode fiber patch cable represents a professional-grade solution for demanding telecommunications and data center applications. This 50-meter cable combines precision engineering with proven reliability, making it ideal for organizations requiring robust optical fiber connectivity. **Technical Excellence:** Built with a 9/125 singlemode core utilizing G.657.A1 glass fiber, this cable delivers industry-leading performance. The SC/UPC to ST/UPC connector configuration provides Type A to B crossover polarity, the most common standard for duplex patch cords. With insertion loss of ≤0.35dB (typical 0.15dB) and return loss ≥20dB, signal integrity is preserved across both 1310 nm and 1550 nm wavelengths, supporting attenuation rates of 0.25 dB/km and 0.35 dB/km respectively. **Compliance & Safety:** Fully TAA compliant and manufactured to RoHS/ELV directives (EU 2002/95/EC), this cable meets stringent regulatory requirements for government and enterprise procurement. The OFNR (Optical Fiber Nonconductive Riser) jacketing classification ensures safe installation in building risers and multi-floor installations, while the compact 1.8mm outside diameter facilitates flexible routing through cable trays and conduits. **Practical Features:** The distinctive pink color simplifies network cable identification and management, reducing installation errors and maintenance complexity. The 1.8mm jacketing provides durability while remaining lightweight, and the duplex configuration supports bi-directional communication on a single cable assembly. **Specifications & Standards:** Manufactured in Taiwan, US, or China with consistent quality controls, the cable is tested according to ANSI/TIA/EIA-455-171-A-2001 standards. Each unit features a 90-day limited warranty and comes in compact 10x10x10 case packaging. **Applications:** Ideal for telecommunications networks, data center interconnects, campus networks, and any environment requiring singlemode fiber connectivity. Custom lengths are available for specialized installations. Free standard shipping applies to orders exceeding $99, with fulfillment from Danville CA, Fort Worth TX, or Beaufort SC locations.