The JBX42363 2-meter SC/APC to ST/UPC duplex singlemode fiber patch cable represents premium-grade connectivity for modern fiber optic networks. This carefully engineered solution combines precision connector technology with durable construction to deliver consistent, long-term performance in critical applications. **Technical Excellence** Manufactured with 9/125 singlemode fiber core and G.657.A1 glass fiber specifications, this cable achieves exceptional optical performance. Tested in accordance with ANSI/TIA/EIA-455-171-A-2001 standards, it delivers insertion loss of ≤0.35dB (0.15dB typical) and return loss of ≥20dB, ensuring minimal signal degradation. Attenuation specifications of 0.25 dB/km at 1310 nm and 0.35 dB/km at 1550 nm meet stringent industry requirements for long-distance transmission. **Professional-Grade Construction** The distinctive yellow jacket provides high visibility during installation and maintenance while the OFNR (Optical Fiber Non-conductive Riser) rating ensures safe deployment in vertical cable runs and plenum environments. The 1.8mm outside diameter offers flexibility for tight routing while maintaining durability through its plastic accessory materials. **Compliance & Reliability** Fully TAA compliant and RoHS/ELV certified per EU directive 2002/95/EC, this cable meets government and enterprise procurement requirements. The Type A to B crossover duplex configuration represents the industry standard for duplex patch cord applications, ensuring compatibility across networks. **Practical Advantages** Custom lengths available to accommodate specific installation requirements. Ships from multiple US locations (Danville CA, Fort Worth TX, Beaufort SC) with free standard shipping on orders exceeding $99. Backed by a 90-day limited warranty for peace of mind. **Ideal Applications** Perfect for data centers, telecommunications infrastructure, enterprise networks, and laboratory environments requiring certified, high-performance fiber connectivity. Whether upgrading existing systems or building new installations, this cable delivers the reliability professionals demand.