The JBX01900 10GBASE-ZR SFP+ Transceiver represents a premium solution for organizations requiring extended-reach optical networking capabilities. This transceiver module is engineered to deliver exceptional performance in demanding network environments where long-distance fiber transmission is essential. **Key Technical Specifications:** Operating at 1550nm wavelength, the JBX01900 achieves impressive 80-kilometer transmission distances over single-mode fiber, significantly extending network reach compared to standard SFP+ modules. The 10Gbps data rate ensures high-speed connectivity suitable for backbone infrastructure, campus networks, and disaster recovery links. The transceiver adheres to IEEE 802.3ae standards and complies with SFF-8431 and SFF-8472 specifications, guaranteeing compatibility with certified network equipment. **Connectivity & Compatibility:** Equipped with duplex LC/UPC connectors, this module provides secure, polished connections that minimize signal loss and reflection. It's specifically designed as a drop-in replacement for Dell's 407-BBRK module, ensuring compatibility with Dell PowerEdge servers, PowerConnect switches, and related networking infrastructure. This compatibility eliminates configuration complexity and streamlines deployment. **Build Quality & Safety:** Construction features a robust metal case protecting the integrated laser transmitter, ensuring durability in rack environments. The module is manufactured in Vietnam and China to stringent international standards. Safety certifications include Class 1 Laser classification, TUV, UL, and FDA 21CFR 1040.10 compliance, with RoHS/ELV directive adherence for environmental responsibility. **Performance & Reliability:** Rated for continuous operation between 0°C and 70°C, the JBX01900 maintains consistent performance across typical data center conditions. The compact 5x4x2 inch form factor fits standard SFP+ slots without modification. Each unit includes a 90-day limited warranty, providing peace of mind on your investment. **Ideal Applications:** Perfect for enterprise network upgrades, metropolitan area networks (MANs), wide area network (WAN) connections, campus backbone infrastructure, and high-speed data center interconnections. Organizations upgrading Dell environments benefit from guaranteed compatibility and simplified procurement. **Shipping & Support:** Qualifies for free standard shipping on orders exceeding $99, with units shipped from strategically located warehouses in Danville, CA and Beaufort, SC for rapid delivery. Custom brand programming is available for volume orders requiring specific configurations.