The JBX42302 SC/APC to FC/UPC duplex singlemode fiber patch cable represents the gold standard in professional fiber optic connectivity. Measuring 1.5 meters with a compact 1.8mm outside diameter, this cable delivers exceptional performance for telecommunications, data centers, and enterprise network installations. **Superior Performance Specifications** This patch cable features dual 9/125 singlemode fiber strands with G.657.A1 glass fiber composition, optimized for both 1310nm and 1550nm wavelengths. The cable achieves insertion loss of ≤0.35dB (0.15dB typical) and return loss ≥20dB, ensuring minimal signal degradation. Attenuation specifications of 0.25 dB/km at 1310nm and 0.35 dB/km at 1550nm meet or exceed industry standards tested per ANSI/TIA/EIA-455-171-A-2001. **Connector Specifications** The SC/APC (Angled Physical Contact) to FC/UPC (Straight Physical Contact) configuration with Type A to B crossover polarity represents the most common duplex patch cord standard. This mating arrangement ensures reliable, low-loss connections in professional network environments. **Regulatory Compliance & Durability** Fully TAA compliant for government and institutional procurement, this cable also meets RoHS/ELV (EU directive 2002/95/EC) environmental standards. The yellow OFNR (Optical Fiber Non-conductive Riser-rated) jacket provides flame resistance and safety compliance for building installations. **Versatility & Custom Options** While this model ships at 1.5 meters, custom lengths are readily available to match your specific installation requirements. Ships from multiple US locations (Danville CA, Fort Worth TX, Beaufort SC) with free standard shipping on orders exceeding $99. **Applications** Ideal for telecommunications networks, data centers, server interconnections, CWDM systems, and any installation requiring duplex singlemode connectivity with superior optical performance and proven reliability.