The JBX01889 10GBASE-ZR SFP+ transceiver represents a cost-effective solution for organizations requiring long-distance optical connectivity without compromising on performance or reliability. Engineered to deliver exceptional 10 Gigabit Ethernet transmission capabilities, this module excels in scenarios demanding extended reach across single-mode fiber infrastructure. **Key Performance Specifications:** Operating at 1550nm wavelength with support for 120km transmission distances, the JBX01889 extends your network reach significantly beyond standard short-range transceivers. The single-mode fiber design provides superior signal integrity, reduced attenuation, and excellent signal-to-noise ratios essential for mission-critical applications. The Duplex LC/UPC connectors ensure secure, low-loss connections that meet enterprise-grade standards. **Technical Excellence & Compliance:** This transceiver meets all requirements of IEEE 802.3ae specifications and conforms to industry-standard SFF-8431 and SFF-8472 formats. Its RoHS and ELV compliance ensures environmental responsibility without sacrificing functionality. Multiple safety certifications, including Class 1 Laser and FDA 21CFR 1040.10, validate its suitability for professional deployment in regulated environments. **Arista Ecosystem Integration:** As a direct compatible replacement for Arista SFP-10G-ZR120 modules, the JBX01889 provides seamless integration into existing Arista network architecture. Custom brand programming is available, allowing organizations to maintain branded consistency across their optical infrastructure. **Durability & Reliability:** Constructed with robust metal casing and advanced laser transmission technology, the transceiver withstands demanding operational environments. Its 90-day limited warranty provides confidence in reliability, while the wide operating temperature range (0-70°C) supports diverse deployment scenarios. **Ideal Applications:** - Data center interconnections across metropolitan distances - Service provider backbone networks - Campus network extensions - Disaster recovery site connectivity - Enterprise WAN optimization With free standard shipping on orders over $99 and availability from multiple U.S. distribution centers, this transceiver combines affordability with accessibility for network professionals upgrading or expanding their optical infrastructure.