The JBX01795 10GBASE-ER SFP+ transceiver module represents advanced optical communication technology designed specifically for enterprise-class networking environments requiring extended transmission distances. This powerful module delivers consistent 10 Gigabit Ethernet performance over single-mode fiber spans reaching 40 kilometers—making it ideal for metropolitan area networks (MANs), campus interconnections, and disaster recovery links. **Technical Excellence** Operating at 1550nm wavelength, this extended-range (ER) transceiver maximizes signal propagation over single-mode fiber while minimizing attenuation. The duplex LC/UPC connectors provide precision fiber alignment, ensuring minimal insertion loss and optimal signal integrity. With support for IEEE 802.3ae specifications and full compliance with SFF-8431 and SFF-8472 standards, this module integrates seamlessly into heterogeneous network environments. **Superior Build Quality** Constructed with a durable metal case housing an advanced laser transmitter, the JBX01795 delivers exceptional reliability in demanding installations. Comprehensive safety certifications—including Class 1 Laser, TUV, UL/FDA, and 21CFR 1040.10 compliance—ensure workplace safety and regulatory adherence. RoHS and ELV directive compliance reflects our commitment to environmental responsibility. **Broad Compatibility** Engineered as a drop-in replacement for Extreme Networks 10G-ER-SFP40KM-ET modules, this transceiver eliminates costly vendor lock-in while maintaining full operational compatibility. Custom brand programming is available for organizations requiring OEM identification. **Performance Specifications** Operating temperature range of -10 to 85°C ensures reliable performance across diverse deployment scenarios. The compact SFP+ form factor (5.0 x 4.0 x 2.0 inches) maintains space efficiency while delivering enterprise-grade performance. **Value and Support** Backed by a 90-day limited warranty and free standard shipping on orders exceeding $99, this module represents excellent value for cost-conscious IT managers. Whether upgrading existing infrastructure or deploying new long-distance optical links, the JBX01795 delivers proven performance, reliability, and compatibility at competitive pricing.