The JBX01889 10GBASE-ZR SFP+ transceiver represents cutting-edge long-range optical networking technology designed for organizations requiring reliable, high-speed data transmission across extended distances. This module delivers consistent 10 gigabit performance utilizing 1550nm wavelength transmission, enabling communication spans of up to 120 kilometers over single-mode fiber—significantly extending network reach without expensive infrastructure upgrades. **Key Features & Technical Specifications:** This optical transceiver module operates in full compliance with IEEE 802.3ae standards and implements the SFF-8431 and SFF-8472 specifications for guaranteed interoperability. The 9/125 micron single-mode fiber core minimizes signal loss and dispersion, ensuring pristine data integrity across maximum distance ratings. Duplex LC/UPC connectors provide industry-standard interfaces with excellent return loss performance, reducing signal reflection and maintaining link quality. **Performance & Reliability:** The precision laser transmitter architecture coupled with high-sensitivity receiver components enables operation across the full commercial temperature range (0°C to 70°C), accommodating diverse deployment environments. RoHS and ELV directive compliance ensures environmental responsibility without sacrificing performance. Class 1 laser certification and comprehensive safety approvals (TUV, UL, FDA 21CFR 1040.10) guarantee operator safety and regulatory compliance. **Compatibility & Integration:** Fully compatible with Arista networking platforms, this module directly replaces OEM part number SFP-10G-ZR120, enabling seamless upgrades and maintenance operations. Custom brand programming is available for organizations requiring specialized configurations. **Applications:** Ideal for metropolitan area networks, data center interconnections, campus fiber networks, and long-distance point-to-point links. Perfect for service providers, enterprises, and institutions requiring dependable 10GB connectivity beyond conventional distance limitations. **Warranty & Support:** Backed by comprehensive 90-day limited warranty. Ships with free standard shipping on orders exceeding $99 from conveniently located U.S. distribution centers in California and South Carolina.