The JBX02223 1000BASE-EX SFP transceiver module represents professional-grade optical networking technology designed for enterprises requiring extended fiber optic connectivity. This single-mode fiber (SMF) optical transceiver delivers 1 gigabit-per-second (1Gb/s) data transmission over distances up to 40 kilometers, making it ideal for wide-area networks, campus interconnects, and long-distance data center links. Key Technical Specifications: Operating at 1310nm wavelength, the transceiver features a 9/125 micron single-mode fiber core, ensuring superior signal quality and minimal attenuation over extended distances. The duplex LC/UPC connectors provide reliable connections with excellent return loss characteristics and durability for frequent connections. The module measures 5x4x2 inches and features a rugged metal case with integrated laser transmitter technology. Compatibility and Performance: Fully compatible with Cisco MA-SFP-1GB-LX40 networking equipment, the JBX02223 serves as a cost-effective alternative to OEM modules without compromising performance. It qualifies under IEEE 802.3z and SFF-8472 standards, ensuring seamless integration with existing network infrastructure. The transceiver maintains stable performance across operating temperatures ranging from 0 to 70°C (32 to 158°F). Safety and Compliance: Manufactured to stringent quality standards, this module meets RoHS/ELV directives and EU directive 2002/95/EC for environmental compliance. It carries Class 1 laser safety certifications and holds UL/FDA approvals under 21CFR 1040.10, with TUV certification for international deployment. Ideal Applications: Perfect for telecommunications providers, data centers, ISPs, and enterprise networks requiring reliable long-distance fiber connectivity. Use cases include metro area networks, disaster recovery links, campus backbone connections, and service provider infrastructure. Customization and Support: Custom brand programming is available for bulk orders and white-label applications. The 90-day limited warranty provides peace of mind for critical network deployments. Free standard shipping on orders over $99, with convenient fulfillment from U.S. locations in California and South Carolina.