The JBX42512 ST/APC to ST/APC Duplex Fiber Patch Cable represents professional-grade connectivity for modern fiber optic networks. This 1.5-meter cable features duplex configuration with two singlemode fiber strands, each with a 9/125 micrometer core diameter, designed to handle high-speed data transmission with exceptional clarity and minimal signal degradation. **Key Technical Features:** This cable utilizes G.657.A1 glass fiber technology with a 1.8mm outside diameter, wrapped in OFNR (Riser Rated) jacketing for enhanced fire safety and durability in various installation environments. The ST/APC connectors employ Type A to B crossover polarity—the industry standard for duplex patch cords—ensuring compatibility across telecommunications infrastructures. **Performance Specifications:** With insertion loss rated at ≤0.35dB (0.15dB typical) and return loss of ≥20dB, this cable exceeds industry standards for signal integrity. The fiber exhibits attenuation of just 0.25 dB/km at 1310 nm and 0.35 dB/km at 1550 nm wavelengths, supporting both standard and extended-range transmissions. **Compliance & Standards:** Fully TAA compliant and RoHS/ELV certified, this cable meets EU directive 2002/95/EC requirements. Performance testing adheres to ANSI/TIA/EIA-455-171-A-2001 standards, guaranteeing quality and reliability. **Applications:** Ideal for data center interconnections, telecommunications infrastructure, high-speed LAN connections, and any mission-critical fiber optic installation requiring precise, low-loss transmission. The distinctive yellow jacket aids visual identification in complex cable management scenarios. **Additional Benefits:** Available in custom lengths for specialized applications, this cable ships from multiple US locations (Danville CA, Fort Worth TX, Beaufort SC) ensuring rapid delivery. Orders over $99 qualify for free standard shipping. The 90-day limited warranty provides peace of mind for enterprise deployments.