The JBX43531 50-meter ST/APC to ST/APC simplex fiber patch cable represents a professional-grade solution for singlemode fiber optic applications. Engineered for demanding telecommunications, data center, and enterprise network environments, this cable delivers consistent, reliable performance backed by rigorous testing standards. **Technical Specifications:** This cable features a 9/125 micrometer singlemode core constructed from G.657.A1 specification glass fiber, optimized for both short and long-distance signal transmission. With an outside diameter of 1.8mm and OFNR-rated yellow jacketing, the cable provides excellent durability and flame resistance suitable for in-building fiber runs. The construction meets RoHS/ELV compliance and EU directive requirements. **Performance Characteristics:** Tested in accordance with ANSI/TIA/EIA-455-171-A-2001 standards, the cable demonstrates exceptional optical performance with insertion loss of ≤0.35dB (0.15dB typical) and return loss of ≥20dB. Attenuation performance of 0.25 dB/km at 1310nm and 0.35 dB/km at 1550nm ensures minimal signal degradation over distance. **Connector Technology:** The ST/APC (Angled Physical Contact) connectors feature angled ferrule ends that virtually eliminate back reflection, critical for maintaining signal integrity in sensitive optical networks. The straight-through polarity configuration ensures straightforward installation and compatibility with standard telecommunications infrastructure. **Applications:** Ideal for telecommunications networks, FTTH (Fiber-to-the-Home) installations, data center interconnects, broadcast facilities, and enterprise LAN/WAN applications requiring singlemode performance. The 50-meter length suits medium-distance runs within facilities or between adjacent buildings. **Compliance & Warranty:** TAA-compliant for government procurement, this cable includes a 90-day limited warranty. Ships from multiple US locations (California, Texas, South Carolina) with free standard shipping on orders exceeding $99. Custom lengths available for specialized applications. **Care & Maintenance:** Protect connector ends with dust caps when not in use. Avoid sharp bends exceeding the cable's minimum bend radius. Store in clean, dry environments to maintain optimal performance.