The JBX43781 fiber optic patch cable represents a robust solution for network professionals requiring reliable long-distance fiber connectivity. This 50-meter simplex cable bridges LC/UPC and ST/APC connection points, offering versatility across mixed equipment environments. **Technical Excellence:** Manufactured with G.657.A1 glass fiber, this singlemode cable (9/125 micron core) provides industry-leading performance specifications. With insertion loss of just 0.15dB typical (≤0.35dB maximum) and return loss exceeding 20dB, signal integrity is maintained even over extended distances. Attenuation rates of 0.25 dB/km at 1310nm and 0.35 dB/km at 1550nm meet ANSI/TIA/EIA-455-171-A-2001 standards. **Compliance & Safety:** TAA compliant for government and regulated sector procurement. RoHS/ELV certified, meeting EU directive 2002/95/EC requirements. The 1.8mm diameter OFNR (riser-rated) yellow jacket provides fire safety compliance while offering superior visibility in cable trays and network racks. **Practical Benefits:** The bright yellow coloring simplifies cable identification and reduces installation errors. Straight-through polarity ensures straightforward deployment without crossover complications. Free standard shipping on orders exceeding $99 makes bulk procurement economical for enterprise deployments. **Flexibility & Support:** Custom lengths available for specific installation requirements beyond the standard 50-meter configuration. Backed by a 90-day limited warranty, this cable is manufactured in Taiwan, the US, or China with consistent quality standards. Ships from multiple US locations (California, Texas, South Carolina) for rapid delivery. **Ideal Applications:** Perfect for data center interconnects, telecommunications backbone networks, campus LAN expansions, and any installation requiring reliable singlemode fiber transmission over distances up to 50 meters.