The JBX89170 45-meter SC/SC duplex singlemode fiber patch cable represents professional-grade connectivity for mission-critical network infrastructure. Designed to exceed industry standards, this cable delivers exceptional performance in telecommunications, data centers, enterprise networks, and ISP backbone installations. **Technical Excellence** Features a 9/125 singlemode core with G.657.A1 glass fiber construction, tested in accordance with ANSI/TIA/EIA-455-171-A-2001 standards. Achieves remarkable low attenuation specifications: 0.25 dB/km at 1310nm and 0.35 dB/km at 1550nm wavelengths. Insertion loss measurements remain consistently low at ≤0.35dB (typical 0.15dB), while return loss exceeds 20dB, ensuring pristine signal quality for long-distance transmissions. **Superior Connector Design** SC/UPC connectors provide reliable, repeatable connections with minimal back-reflection. Type A to B crossover polarity configuration supports standard duplex patch cord applications, making installation straightforward and compatible with existing infrastructure. **Durability & Compliance** The 1.8mm purple OFNR-rated outer jacketing provides fire-safe protection suitable for building riser applications. TAA-compliant and RoHS/ELV certified, meeting government procurement and environmental regulations. Manufactured with quality control in Taiwan, US, and China facilities. **Practical Advantages** With free standard shipping on orders over $99 and a 90-day limited warranty, this cable offers excellent value. Available in custom lengths to accommodate specific project requirements. The distinctive purple jacket aids in network organization and cable management. **Applications** Ideal for telecommunications networks, data center connections, enterprise LAN/WAN infrastructure, DWDM systems, and carrier-grade fiber backbone installations. Perfect for organizations requiring government-compliant, high-performance optical connectivity with reliable long-term performance.