The JBX42305 3-meter SC/APC to FC/UPC duplex singlemode fiber patch cable represents a premium solution for professional fiber optic networking applications. Designed with precision engineering and quality construction, this cable delivers the performance characteristics demanded by telecommunications professionals, data center operators, and enterprise network administrators. Constructed with 9/125 singlemode fiber core utilizing G.657.A1 glass fiber technology, this duplex patch cable excels in transmitting high-speed signals across network infrastructure. The cable achieves exceptional optical performance with insertion loss of 0.15dB typical (≤0.35dB maximum) and return loss exceeding 20dB, ensuring minimal signal degradation and optimal data integrity. These specifications comply with ANSI/TIA/EIA-455-171-A-2001 standards, providing assurance of quality and reliability. The SC/APC connector interface on one end and FC/UPC on the other offers flexibility for diverse network configurations, while the Type A to B crossover polarity configuration supports the most common duplex patch cord applications. The bright yellow jacket enables quick identification in installations with multiple cables, reducing installation time and minimizing configuration errors. At 1.8mm outside diameter, this compact design facilitates easier cable management in crowded equipment racks and conduit systems. Riser-rated (OFNR) jacketing provides essential fire safety compliance for in-building installations, meeting stringent building codes and safety standards. The cable's dual-fiber duplex construction supports simultaneous bidirectional transmission, maximizing bandwidth efficiency in telecommunications and data transfer applications. TAA compliance certification ensures this product meets federal acquisition requirements, making it suitable for government contracts, educational institutions, and enterprises with specific procurement mandates. The cable ships from multiple US locations ensuring fast delivery, with free standard shipping on orders exceeding $99. Custom lengths are available for specialized deployment scenarios, allowing integration into unique network topologies without splice points or excess coiling. The 90-day limited warranty provides additional peace of mind, backed by quality assurance testing and manufacturer support. Whether upgrading existing infrastructure or deploying new fiber networks, the JBX42305 delivers dependable performance, compliance assurance, and professional-grade reliability.