The JBX43592 55-meter ST/APC to FC/APC simplex singlemode fiber patch cable is an industrial-grade solution for telecommunications, data centers, and network infrastructure applications requiring reliable, high-performance fiber connectivity. **Technical Excellence:** This singlemode fiber patch cable features a precision 9/125 micron core with G.657.A1 glass fiber technology, optimized for long-distance signal transmission with minimal attenuation. With insertion loss of ≤0.35dB (0.15dB typical) and return loss of ≥20dB, it ensures superior signal integrity. The cable performs exceptionally at both 1310nm and 1550nm wavelengths, supporting diverse network configurations. **Durable Construction:** The yellow OFNR (Optical Fiber Nonconvolutional Riser) jacket provides flame-resistant protection suitable for plenum and riser installations. Its 1.8mm outside diameter enables easy routing through conduits and cable management systems while maintaining flexibility and durability. **Compliance & Standards:** Fully TAA compliant and RoHS/ELV certified, this cable meets government procurement requirements and environmental regulations. Manufacturing to ANSI/TIA/EIA-455-171-A-2001 standards guarantees consistent performance and reliability. **Practical Benefits:** The straight-through polarity design simplifies installation, while the distinctive yellow jacket provides clear visual identification in complex network environments. Simplex construction (single fiber strand) is ideal for unidirectional signal transmission applications. **Customization Available:** While this 55m length serves most standard installations, custom lengths are available for specialized requirements, providing flexibility for unique network configurations. **Warranty & Support:** Each cable includes a 90-day limited warranty, and with free standard shipping on orders exceeding $99, it offers excellent value for budget-conscious network professionals and installers.