The JBX43517 ST/APC to ST/APC Simplex Singlemode Fiber Patch Cable represents professional-grade connectivity for demanding optical fiber applications. This 5-meter cable combines proven reliability with superior performance characteristics, making it the ideal choice for telecom operators, datacenter managers, and network integrators. **Technical Excellence:** Built with a 9/125 singlemode core and G.657.A1 glass fiber specification, this cable delivers performance tested to ANSI/TIA/EIA-455-171-A-2001 standards. With typical insertion loss of just 0.15dB (maximum 0.35dB) and return loss exceeding 20dB, signal integrity is maintained across your network infrastructure. Attenuation specifications of 0.25 dB/km at 1310nm and 0.35 dB/km at 1550nm ensure optimal performance in DWDM and CWDM applications. **Superior Construction:** The 1.8mm outside diameter cable features an OFNR (Optical Fiber Non-conductive Riser) rated yellow jacket, providing flame resistance and visibility for installation and troubleshooting. ST/APC connectors ensure secure, straight-through connections with minimal back-reflection. **Compliance & Certification:** TAA (Trade Agreements Act) compliant and RoHS/ELV directive certified, this cable meets government procurement requirements and environmental standards. The plastic connector housing and precision polished endface manufacturing ensure consistent, reliable performance. **Applications:** - Telecom backbone networks - Enterprise datacenter interconnects - High-speed LAN installations - Fiber-to-the-building (FTTB) systems - Testing and measurement equipment connections **Customization & Support:** Available in custom lengths beyond the standard 5m configuration. Ships from multiple U.S. locations (Danville CA, Fort Worth TX, Beaufort SC) with free standard shipping on orders exceeding $99. Backed by a 90-day limited warranty and manufactured in Taiwan, the United States, or China with consistent quality across all sourcing locations.