The JBX01821 10GBASE-LR SFP+ optical transceiver module is engineered for high-performance, long-distance network connectivity in demanding enterprise environments. This Cisco SFP-10G-LR-I compatible transceiver provides a cost-effective solution for organizations seeking to extend their 10 Gigabit Ethernet infrastructure across significant distances without investing in expensive proprietary equipment. **Key Performance Features:** Operating at 1310nm wavelength with 10km reach over single-mode fiber, this transceiver excels in applications requiring extended transmission distances. The duplex LC/UPC connector configuration ensures reliable, low-loss optical connections. With a 10GB data rate, it supports full-speed 10GBASE-LR traffic without bottlenecks or performance degradation. **Technical Excellence:** Manufactured to IEEE 802.3ae, SFF-8431, and SFF-8472 specifications, the JBX01821 delivers industry-standard performance and interoperability. The precision laser transmitter housed in a robust metal case provides reliable, stable optical signal transmission. This module is fully qualified for mission-critical deployments with comprehensive safety certifications including Class 1 Laser designation, TUV, UL, and FDA 21CFR 1040.10 compliance. **Environmental Compliance:** RoHS and ELV directive compliant, this transceiver meets stringent environmental standards while maintaining exceptional performance. Wide operating temperature range (-40°C to 85°C) ensures reliable operation in varied climates and installations. **Deployment Flexibility:** Perfect for data center interconnects, campus network extensions, and metro area networks, the JBX01821 provides an economical alternative to OEM modules while maintaining full compatibility with Cisco infrastructure. Custom brand programming is available for organizations requiring branded solutions. **Support & Warranty:** Backed by a 90-day limited warranty and free standard shipping on orders exceeding $99, this transceiver offers excellent value and peace of mind for your network investments.