The JBX02344 25GBASE-LR SFP28 Transceiver represents a cost-effective solution for upgrading enterprise network infrastructure to 25 Gigabit speeds. This optical transceiver module is specifically engineered to meet IEEE 802.3by specifications, ensuring compatibility with leading networking equipment from Cisco and other manufacturers. Technical Specifications: The module operates at 25GBASE-LR standards over single-mode fiber (SMF) with a maximum transmission distance of 10 kilometers. Utilizing the standard 9/125 micrometer fiber core, it delivers consistent performance across extended network distances. The 1310nm wavelength operation enables efficient long-range signal transmission with minimal attenuation, making it ideal for campus networks, metropolitan area networks, and data center interconnections. Connectivity & Compatibility: Equipped with duplex LC/UPC fiber connectors, this transceiver provides secure, professional-grade connections with minimal signal loss. Full compatibility with Cisco SFP-10/25G-LR-S equipment ensures seamless integration into existing infrastructure without requiring hardware modifications. The compact SFP28 form factor allows multiple units to be deployed in dense networking environments. Reliability & Compliance: Constructed with a durable metal case housing laser transmitter components, this module is built to withstand demanding data center environments. It meets stringent safety certifications including Class 1 Laser approval, TUV, UL, and FDA compliance (21CFR 1040.10). Full RoHS and EU directive 2002/95/EC compliance ensures environmental responsibility and future regulatory adherence. Performance Range: Operating across a wide temperature range from 0 to 70°C (32 to 158°F), the transceiver maintains consistent performance in both climate-controlled data centers and field deployments. Custom brand programming is available for organizations requiring OEM-specific configurations. Value Proposition: This Cisco-compatible optical transceiver offers enterprise-grade performance at competitive pricing. With free standard shipping on orders exceeding $99 and a 90-day limited warranty, it represents a low-risk investment in network infrastructure modernization. Perfect for IT teams looking to expand capacity without the premium cost of original Cisco modules.