The JBX01102 400GBASE-LR4 QSFP-DD Transceiver is a premium optical networking module engineered for demanding enterprise environments. This transceiver operates at 400GB data rates, providing the bandwidth necessary for modern data center and campus backbone networks. **Technical Specifications:** The module utilizes 9/125 singlemode fiber cores with Duplex LC/UPC connectors, supporting 10-kilometer transmission distances over standard singlemode fiber. The QSFP-DD form factor ensures compatibility with latest network equipment while maintaining backward flexibility. Operating temperature range of 0-70°C accommodates diverse deployment scenarios. **Compatibility & Integration:** Fully compatible with Arista QDD-400G-LR4 systems, this transceiver drops seamlessly into existing network architectures. IEEE 802.3bs, QSFP-DD MSA, and CMIS standard compliance ensures reliable interoperability across multivendor environments. **Quality & Compliance:** Manufactured with precision-engineered metal case housing and laser transmitter technology, the module meets rigorous industry standards including RoHS 2002/95/EC compliance and Class 1 laser safety requirements. Comprehensive certifications including TUV, UL, and FDA 21CFR 1040.10 approval guarantee performance and safety. **Practical Applications:** Ideal for data center interconnects, campus fiber backbones, and enterprise network expansions. The 10km reach accommodates metropolitan area network architectures while maintaining cost efficiency. **Support & Service:** Includes 90-day limited warranty with custom brand programming available for OEM integration. Ships quickly from Danville, CA or Beaufort, SC locations with free standard shipping on qualifying orders.