The JBX01445 100GBASE-LR4 QSFP28 transceiver represents cutting-edge optical networking technology designed for modern enterprise data centers and telecommunications infrastructure. This advanced module enables ultra-high-speed, long-distance fiber optic communication with exceptional reliability and performance. **Technical Specifications:** Operating at 100Gbps over singlemode fiber infrastructure, this transceiver utilizes advanced laser transmission technology to achieve reliable 10-kilometer distances. The module conforms to IEEE 802.3bm standards and QSFP28 MSA specifications, ensuring interoperability with industry-standard networking equipment. The 9/125 micron singlemode fiber core specification provides optimal signal propagation for long-distance deployments. **Connector Technology:** Equipped with duplex LC/UPC (Ultra Physical Contact) connectors, this module ensures superior signal integrity and minimal insertion loss. The LC/UPC configuration is industry-standard for high-density optical installations and reduces signal degradation to achieve maximum transmission distances. **Arista Ecosystem Integration:** Fully compatible with Arista QSFP-100G-LR4 and QSFP-100G-LRL4 specifications, this transceiver integrates seamlessly into existing Arista network deployments. IT teams can confidently deploy this module as a drop-in replacement or expansion module without compatibility concerns. **Compliance & Safety:** Comprehensive safety certifications include Class 1 Laser designation, TUV, UL, and FDA 21CFR 1040.10 compliance. RoHS (2002/95/EC) and ELV directive compliance ensures environmental responsibility and regulatory adherence across global markets. **Applications:** • Data center interconnects (DCI) • Campus backbone networks • Metropolitan area networks (MANs) • Long-distance fiber optic links • High-density server farm connectivity • Carrier-class network infrastructure **Operational Benefits:** With a 90-day limited warranty and custom brand programming capabilities, this transceiver offers flexibility for various deployment scenarios. Operating reliably across 0-70°C temperature ranges, it withstands diverse environmental conditions. Compact dimensions and efficient design enable high-density installations. **Shipping & Support:** Enjoy free standard shipping on orders exceeding $99, with rapid fulfillment from Danville, CA or Beaufort, SC warehouses. Metal case construction with integrated laser transmitter ensures durability during shipping and installation.