The JBX83786 4m LC/ST OM2 50/125 multimode fiber patch cable represents an essential component for modern network infrastructure. Engineered with precision-grade optical fiber and premium connectors, this duplex cable delivers the performance and reliability demanded by professional networking environments. **Technical Excellence:** This patch cable utilizes OM2 50/125 multimode fiber, ideal for short to medium-distance transmissions up to 2km at gigabit speeds. The bend-insensitive OFNP jacket accommodates tight routing scenarios without compromising signal quality. With typical insertion loss of just 0.15dB and maximum return loss of 60dB, this cable exceeds industry standards for attenuation and signal integrity. **Connector Configuration:** The LC/UPC to ST/UPC connector configuration with Type A to B crossover polarity is the most common duplex patch cord arrangement, ensuring seamless compatibility with existing network infrastructure. Both connector types feature UPC (Ultra-Physical Contact) polish for optimal coupling performance. **Compliance & Certification:** Fully TAA (Trade Agreements Act) compliant and RoHS/ELV certified, this cable meets stringent government and enterprise procurement requirements. Standards testing per ANSI/TIA/EIA-455-171-A ensures consistent performance and reliability. **Practical Applications:** - Data center interconnects and backbone cabling - Network switch and patch panel connections - Laboratory and testing environments - Telecommunications infrastructure - Enterprise LAN/WAN deployments - Access networks requiring multimode capability **Color & Identification:** The distinctive purple jacket aids visual identification in complex multi-cable installations, reducing installation errors and simplifying maintenance procedures. **Flexible Ordering:** While this product is available in the standard 4m length, custom lengths are available to meet specific installation requirements. Ships from multiple US locations (Danville CA, Fort Worth TX, Beaufort SC) with free standard shipping on orders exceeding $99. **Quality Assurance:** Backed by a 90-day limited warranty and manufactured to exacting standards, this cable combines durability with performance for long-term network reliability.