The JBX01442 100GBASE-LR1 QSFP28 Transceiver represents cutting-edge optical networking technology designed for demanding enterprise and data center environments. This high-capacity module enables 100Gbps data transmission over extended distances, making it an ideal solution for campus networks, metropolitan area networks, and inter-datacenter connectivity requiring robust long-reach capabilities. **Technical Specifications:** Operating at 1310nm wavelength, the transceiver achieves 10km maximum transmission distance over standard single-mode fiber (SMF) with 9/125μm core specifications. The QSFP28 form factor ensures compatibility with modern networking equipment, while duplex LC/UPC connectors provide industry-standard physical interfaces. Supporting IEEE 802.3bm and QSFP28 MSA standards, it guarantees interoperability across certified platforms. **Performance & Reliability:** The module features precision laser transmitter technology housed in a robust metal case, delivering consistent performance across operating temperatures from 0-70°C (32-158°F). With comprehensive safety certifications including Class 1 Laser, TUV, UL/FDA compliance, and LN #50 7/2001 designation, it meets stringent regulatory requirements for enterprise deployments. **Compatibility & Integration:** Specifically designed as a drop-in replacement for Extreme Networks 100G-LR-QSFP10KM modules, the JBX01442 ensures seamless integration with existing infrastructure. Custom brand programming is available for organizations requiring specialized configurations or OEM compatibility requirements. **Environmental Compliance:** Fully RoHS/ELV compliant per EU directive 2002/95/EC, this transceiver meets modern environmental standards. Manufactured in Vietnam and China with strict quality controls, each unit includes a 90-day limited warranty covering manufacturing defects. **Shipping & Support:** Ships with free standard shipping on orders exceeding $99 from convenient distribution centers in Danville, CA and Beaufort, SC, ensuring rapid delivery to enterprise customers nationwide.