The JBX01125 400GBASE-PLR4 QSFP-DD Transceiver represents cutting-edge optical interconnect technology for modern data center and telecommunications infrastructure. This high-performance module delivers 400 gigabits per second throughput with exceptional reliability and compatibility. Technical Specifications: The transceiver operates at 1310nm wavelength, specifically designed for singlemode fiber (SMF) with 9/125 micron core diameter. It achieves transmission distances up to 10km, positioning it as an ideal solution for campus networks, data center interconnects, and metropolitan area networks. The MTP/MPO connector interface enables high-density fiber deployment while maintaining signal integrity. Form Factor & Integration: Designed in the compact QSFP-DD (Quad Small Form Factor Double Density) form factor, this transceiver maximizes port density in modern switch and router platforms. Dimensions of 5x4x2 inches ensure seamless integration into standard network equipment without requiring additional modifications. The metal case with integrated laser transmitter provides robust protection and optimal thermal management. Compatibility & Standards: Fullly compatible with Dell networking equipment (replaces OEM part 407-BCVE), this transceiver is qualified to IEEE 802.3bs specifications and complies with QSFP-DD Multi-Source Agreement (MSA) and CMIS standards. This ensures plug-and-play functionality with certified Dell infrastructure. Safety & Compliance: The transceiver maintains Class 1 Laser certification, meeting FDA 21CFR 1040.10 requirements. It adheres to RoHS (Restriction of Hazardous Substances) and ELV (End of Life Vehicle) directives, supporting sustainable IT practices. TUV and UL certifications validate its safety performance across global markets. Operating Conditions: With an operating temperature range of 0-70°C (32-158°F), this transceiver performs reliably in diverse deployment environments. Custom brand programming is available for OEM partnerships and enterprise deployments. Value Proposition: Offering premium performance at competitive pricing, the JBX01125 includes free standard shipping on orders over $99 from multiple distribution centers (Danville, CA and Beaufort, SC). The 90-day limited warranty provides peace of mind for critical network investments. Whether upgrading legacy systems or building new high-speed networks, this transceiver delivers enterprise-grade reliability and performance.