The JBX43725 SC/APC to LC/UPC fiber patch cable is a professional-grade solution designed for demanding optical networking applications. This 20-meter simplex cable connects SC/APC connectors on one end to LC/UPC connectors on the other, making it ideal for linking transceivers, patch panels, and network equipment in mixed connector environments. **Superior Performance Specifications:** This singlemode fiber patch cable utilizes 9/125 fiber core construction with G.657.A1 glass fiber, delivering exceptional attenuation characteristics of 0.25 dB/km at 1310nm and 0.35 dB/km at 1550nm. The measured insertion loss of ≤0.35dB (0.15dB typical) and return loss of ≥20dB ensure minimal signal degradation across long transmission distances. All cables are rigorously tested in accordance with ANSI/TIA/EIA-455-171-A 2001 standards. **Compliance & Safety:** TAA-compliant for U.S. government procurement, this cable meets RoHS/ELV directive 2002/95/EC requirements. The OFNR-rated yellow jacket provides riser-rated fire safety for in-building installations while offering easy color identification for cable management. **Construction & Durability:** The 1.8mm outside diameter jacket provides durability without excessive bulk, while the plastic construction ensures flexibility for installation in tight spaces. Backed by a 90-day limited warranty. **Applications:** Perfect for telecommunications networks, data center fiber runs, university campus networks, and enterprise IT infrastructure requiring reliable single-mode transmission. **Availability:** Available in custom lengths with free standard shipping on orders over $99. Ships from multiple U.S. locations for rapid delivery.