The JBX01211 40GBASE-LM4 QSFP+ transceiver represents a professional-grade optical networking solution designed for enterprises and data centers requiring high-speed, reliable connectivity. Operating at 40Gbps, this transceiver facilitates rapid data transmission over multimode fiber, supporting distances up to 150 meters—ideal for connecting switches, routers, and network equipment across large facilities. Key Technical Features: This transceiver utilizes a 9/125 singlemode fiber core with duplex LC/UPC connectors, delivering optimal signal integrity and minimal reflectance. The compact QSFP+ form factor ensures space-efficient integration into network equipment, while the metal case construction provides electromagnetic shielding and durability. Operating across a wide temperature range of 0-70°C (32-158°F), it maintains consistent performance in diverse environmental conditions. Compatibility and Integration: The JBX01211 is engineered as a drop-in replacement for Arista QSFP-40G-UNIV modules, ensuring plug-and-play compatibility with your existing infrastructure. This eliminates costly equipment replacement while delivering enhanced performance and reliability. IEEE 802.3ba and SFF-8436 compliance guarantee interoperability with standards-based networking equipment. Safety and Compliance: Fully certified to international standards including Class 1 Laser, FDA 21CFR 1040.10, TUV, and UL certifications, this transceiver meets stringent safety requirements. RoHS and ELV directive compliance ensures environmental responsibility while maintaining performance excellence. Support and Warranty: Each unit includes a 90-day limited warranty covering manufacturing defects. Custom brand programming options are available for OEM requirements. Free standard shipping on orders exceeding $99 applies to most locations. Applications: Ideal for data center interconnects, storage area networks (SANs), and high-performance computing environments where speed and reliability are paramount. The extended 150m range over multimode fiber offers flexibility in network topology design while maintaining cost-effectiveness.