The JBX42386 75m SC/APC to ST/UPC Duplex Singlemode Fiber Patch Cable represents enterprise-level connectivity engineered for demanding network infrastructures. This precision-manufactured cable combines compatibility with diverse network equipment while maintaining exceptional optical performance metrics. **Technical Excellence** Constructed with 9/125 singlemode fiber utilizing G.657.A1 glass specification, this cable delivers outstanding performance characteristics. The SC/APC (angle-polished connector) to ST/UPC (straight connector) configuration serves as the industry standard for cross-protocol networking applications. Measured attenuation of 0.25 dB/km at 1310nm and 0.35 dB/km at 1550nm ensures minimal signal degradation over the 75-meter distance, with typical insertion loss of just 0.15dB and guaranteed maximum of 0.35dB. Return loss exceeding 20dB minimizes signal reflection, critical for high-fidelity data transmission. **Build Quality & Compliance** The yellow OFNR (Optical Fiber Non-conductive Riser) rated jacketing provides fire-safety certification suitable for building risers and plenum spaces. With a compact 1.8mm outer diameter, this duplex cable integrates seamlessly into crowded cable trays and conduit runs. Full TAA (Trade Agreements Act) compliance and RoHS/ELV certification meet government and environmental procurement standards. The duplex configuration with Type A to B crossover polarity accommodates standard patch cord applications across telecommunications equipment. **Practical Advantages** Offered with free standard shipping on orders exceeding $99, this cable ships from multiple U.S. locations (Danville CA, Fort Worth TX, Beaufort SC) enabling rapid deployment. Available in custom lengths for specialized installations, it includes a 90-day limited warranty. Manufactured across Taiwan, US, and China facilities, it balances quality assurance with cost efficiency. **Ideal Applications** Perfect for data center backbone connections, telecommunications network extensions, broadcast facility upgrades, and campus network fiber runs requiring reliable long-distance transmission with industry-standard connector compatibility.