The JBX89200 SC/ST Duplex Singlemode Fiber Patch Cable represents professional-grade connectivity for demanding network applications. This 45-meter cable is engineered to deliver reliable optical signal transmission in enterprise, telecommunications, and data center environments. **Technical Specifications:** Features a 9/125 singlemode fiber core with G.657.A1 glass fiber construction, meeting rigorous industry standards. The cable delivers exceptional performance with insertion loss of ≤0.35dB (typical 0.15dB) and return loss of ≥20dB. Attenuation ratings of 0.25 dB/km at 1310nm and 0.35 dB/km at 1550nm ensure reliable long-distance transmission across multiple wavelengths. **Compliance & Quality:** This cable is TAA compliant, meeting government procurement standards for GSA schedules and federal contracts. RoHS/ELV certified construction ensures environmental compliance. All attenuation performance is verified according to ANSI/TIA/EIA-455-171-A standards, guaranteeing consistent quality across production batches. **Design Features:** The distinctive purple duplex configuration with Type A to B crossover polarity represents the most common duplex patch cord standard. OFNR riser-rated jacketing provides flame resistance and safety compliance in building installations. The compact 1.8mm diameter allows flexible routing through cable trays and conduit systems. SC/UPC to ST/UPC connectors offer universal compatibility with standard network equipment. **Practical Applications:** Ideal for interconnecting network switches, routers, and optical equipment in data centers. Suitable for telecommunications installations, campus network backbones, and emergency service networks requiring mission-critical reliability. Custom lengths available for specialized deployment scenarios. **Warranty & Support:** Backed by a comprehensive 90-day limited warranty ensuring customer confidence. Ships from multiple U.S. locations (Danville CA, Fort Worth TX, Beaufort SC) with free standard shipping on orders exceeding $99, providing rapid deployment capabilities.