The JBX02419 25GBASE-LR SFP28 transceiver is a state-of-the-art optical transceiver module purpose-built for high-speed data center interconnection and enterprise networking environments. This advanced module combines cutting-edge technology with proven reliability to meet demanding bandwidth requirements in modern network infrastructure. **Technical Specifications & Performance** Operating at 25 gigabits per second, this transceiver utilizes 1310nm wavelength transmission to achieve extended reach capabilities up to 10 kilometers over single-mode fiber. The 9/125µm fiber core specification ensures compatibility with standard SMF-28 cabling widely deployed in enterprise networks. The duplex LC/UPC connector design minimizes insertion loss and return loss, critical factors for maintaining signal integrity in high-speed applications. **Compatibility & Integration** Perfectly engineered for Extreme Networks environments, this module directly replaces OEM part number 25G-LR-SFP10KM (10504), ensuring seamless integration into existing infrastructure. Full compliance with IEEE 802.3by standards, SFF-8402 mechanical specifications, and SFF-8472 digital diagnostic monitoring ensures broad compatibility and future-proof investment protection. **Safety & Compliance** Comprehensively certified for Class 1 Laser operation (LN #50 7/2001), with TUV, UL, and FDA 21CFR 1040.10 approvals. RoHS and EU directive 2002/95/EC compliant manufacturing ensures environmental responsibility and regulatory adherence across global markets. **Build Quality & Durability** Features premium metal case construction with integrated laser transmitter technology for exceptional thermal management and signal consistency. Operating temperature range of 0-70°C (32-158°F) accommodates diverse deployment environments from climate-controlled data centers to extended outdoor installations. Backed by 90-day limited warranty. **Value & Service** Available with free standard shipping on orders exceeding $99, shipped from conveniently located U.S. facilities in California or South Carolina. Custom brand programming available for wholesale and OEM customers seeking white-label solutions.