The JBX42317 30-meter SC/APC to FC/UPC duplex singlemode fiber patch cable is engineered for telecommunications professionals and network administrators who demand uncompromising performance and reliability. KEY SPECIFICATIONS: This cable features 9/125 singlemode fiber construction with G.657.A1 glass fiber specifications, delivering superior performance across standard telecommunications wavelengths. The SC/APC (angled physical contact) connector on one end and FC/UPC (ultra-physical contact) on the other provides the cross-connector compatibility required for modern network infrastructure transitions. Duplex configuration allows simultaneous bidirectional communication across two parallel fiber strands. PERFORMANCE CHARACTERISTICS: Insertion loss is minimized at ≤0.35dB (0.15dB typical), ensuring maximum signal strength with minimal degradation. Return loss exceeds 20dB, reducing reflective interference that can compromise signal quality. Attenuation specifications of 0.25 dB/km at 1310nm and 0.35 dB/km at 1550nm ensure consistent performance across the full telecommunications spectrum. COMPLIANCE & SAFETY: TAA (Trade Agreements Act) compliant for government and federal projects. RoHS/ELV certified and manufactured to EU directive 2002/95/EC standards. OFNR riser-rated jacketing permits installation in building risers without requiring conduit, saving installation costs while maintaining safety compliance. PRACTICAL ADVANTAGES: The 1.8mm outside diameter provides superior bend radius characteristics and easier routing through cable trays and conduits. Yellow jacketing improves cable identification in crowded equipment racks. Type A to B crossover polarity is the industry standard for duplex patch applications. Available in custom lengths for specialized requirements. APPLICATIONS: Ideal for data center interconnects, telecommunications equipment patching, fiber-to-the-premises installations, enterprise network backbones, and carrier-class telecommunications infrastructure. VALUE PROPOSITION: Free standard shipping on orders exceeding $99, 90-day limited warranty, and availability from multiple U.S. distribution centers (Danville CA, Fort Worth TX, Beaufort SC) ensure rapid delivery and responsive customer service. Custom length availability accommodates non-standard installations. Testing conducted per ANSI/TIA/EIA-455-171-A 2001 ensures consistent quality across all units.