The JBX88420 45-meter ST/ST duplex singlemode fiber patch cable represents a premium solution for telecommunications and data networking professionals. Constructed with precision-engineered 9/125 singlemode fiber, this cable ensures minimal signal degradation over extended distances, making it ideal for campus networks, data centers, and carrier-class installations. **Technical Excellence**: Featuring G.657.A1 grade optical fiber, the JBX88420 delivers exceptional performance specifications. With insertion loss rated at ≤0.35dB (typical 0.15dB) and return loss ≥20dB, this cable meets stringent industry standards tested in accordance with ANSI/TIA/EIA-455-171-A-2001. Dual-wavelength support at 1310nm (0.25dB/km) and 1550nm (0.35dB/km) ensures compatibility with diverse optical systems. **Quality and Compliance**: Manufactured to the highest standards, the cable features a durable 1.8mm outside diameter with OFNR (riser-rated) jacketing for superior fire safety performance. The distinctive pink outer jacket aids in network organization and troubleshooting. Full TAA compliance and RoHS/ELV certification ensure suitability for government and enterprise procurement requirements. **Practical Applications**: The Type A to B crossover polarity configuration makes this duplex patch cable ideal for interconnecting network equipment, linking telecommunications closets, or establishing backbone connections. The 45-meter length addresses mid-range distance requirements without the signal loss concerns of longer runs. **Value and Convenience**: Backed by a comprehensive 90-day limited warranty, the JBX88420 qualifies for free standard shipping on orders exceeding $99. Custom length options are available for specialized installations. Ships from three strategic US locations (Danville CA, Fort Worth TX, Beaufort SC) ensuring rapid delivery. **Care and Maintenance**: Handle connectors with care, avoiding dust and debris. Store in a cool, dry environment. Clean connector ferrules periodically using approved fiber optic cleaning solutions to maintain optimal performance and prevent signal degradation.