The JBX01484 100GBASE-PSM4 QSFP28 transceiver represents cutting-edge optical networking technology designed for demanding enterprise and data center environments requiring high-bandwidth, long-distance connectivity. **Technical Specifications:** This transceiver operates at 100GB data rates using QSFP28 form factor, supporting up to 500 meters of transmission distance over standard 9/125 single-mode fiber. The 1310nm wavelength ensures optimal signal propagation across extended networks. MTP/MPO-12/APC connectors provide secure, reliable fiber connections essential for mission-critical applications. **Performance & Compatibility:** Designed as a direct replacement for Arista QSFP-100G-PSM4 modules, the JBX01484 maintains full compatibility with Arista switching infrastructure. IEEE 802.3bm qualification guarantees standards compliance and interoperability with certified networking equipment. **Safety & Compliance:** The module features Class 1 laser classification with comprehensive safety certifications including TUV, UL, and FDA compliance (21CFR 1040.10). RoHS and ELV directive adherence ensures environmental responsibility and reduced hazardous substance exposure. Operating temperature range of 0-70°C (32-158°F) accommodates diverse installation environments. **Build Quality:** Constructed with a robust metal case housing integrated laser transmitter technology, this transceiver delivers durability and reliability. Compact dimensions (5x4x2 inches) enable seamless integration into existing network architectures. **Warranty & Support:** Every unit includes a 90-day limited warranty protecting your investment. Custom brand programming services are available for organizations requiring proprietary branding. Free standard shipping applies to orders exceeding $99, with fulfillment from California or South Carolina locations. **Ideal Applications:** Perfect for data center interconnects, metropolitan area networks (MANs), and enterprise campus networks requiring 100GB connectivity across 500-meter distances. Essential for organizations standardizing on Arista infrastructure seeking reliable optical modules.