The JBX02154 1000BASE-BX20-D SFP Transceiver is an industrial-strength optical networking solution engineered for enterprise-class deployments requiring extended transmission distances. This single-mode fiber transceiver enables reliable 1 Gigabit connectivity over 20 kilometers, delivering exceptional value for organizations building cost-effective, long-distance network infrastructure. **Technical Specifications:** This module implements the 1000BASE-BX20-D standard, qualified to SFF-8472 specifications, and features a simplex LC/UPC fiber connector optimized for single-mode fiber applications. With a 9/125μm core diameter, this transceiver maintains superior signal integrity and minimizes attenuation over extended distances. The device operates across an industrial-grade temperature range from -40°C to +85°C, ensuring reliable performance in challenging environmental conditions. **Compatibility & Integration:** Fully compatible with Cisco GLC-BX-D20-I modules, the JBX02154 integrates seamlessly into existing Cisco networking equipment without requiring firmware updates or configuration changes. This direct compatibility accelerates deployment timelines and reduces integration complexity, allowing IT teams to focus on network optimization rather than troubleshooting. **Advanced Technology:** Features extended-reach BiDi (bidirectional) technology that surpasses standard IEEE 802.3ah specifications, enabling superior performance in demanding network environments. The integrated laser transmitter and metal case construction provide durability and reliable signal transmission in industrial settings. **Compliance & Certification:** Fully RoHS and ELV compliant, meeting EU Directive 2002/95/EC requirements. Comprehensive safety certifications include Class 1 Laser designation, TÜV, UL/FDA compliance, and 21CFR 1040.10 standards, ensuring safe operation in any environment. **Ideal Applications:** • Campus network extensions across multiple buildings • Data center interconnects over 20km distances • Industrial network deployments requiring extended reach • Carrier-class backbone connectivity • Point-to-point metropolitan area networks **Shipping & Support:** Enjoy free standard shipping on orders over $99 from our strategic locations in Danville, CA and Beaufort, SC. Backed by a 90-day limited warranty and custom brand programming options available for enterprise customers. Made with precision-grade components manufactured to strict quality standards. Invest in reliable, standards-compliant network infrastructure that delivers performance when it matters most.