The JBX01899 10GBASE-ZR SFP+ transceiver represents a premium solution for enterprise-grade long-distance fiber optic networking. As a drop-in replacement for Cisco's SFP-10G-ZR-S module, this transceiver combines performance, compatibility, and reliability in a compact form factor. **Technical Excellence** Operating at 1550nm wavelength, the ZR transceiver achieves 10Gbps throughput over extended single-mode fiber distances up to 80km—ideal for metropolitan area networks, campus interconnects, and wide-area network deployments. The module complies with IEEE 802.3ae standards and SFF specifications (SFF-8431, SFF-8472), ensuring seamless integration into existing infrastructure. **Superior Design & Construction** Features a robust metal case with integrated laser transmitter technology, providing stability and longevity. Duplex LC/UPC connectors ensure secure, low-loss signal transmission. The compact 5x4x2mm dimensions fit standard SFP+ slots without modification or adapters. **Compliance & Safety** Fully certified with Class 1 Laser designation, UL/FDA approval (21CFR 1040.10), and TUV certification. RoHS and ELV compliant, meeting EU Directive 2002/95/EC requirements for environmentally responsible procurement. **Operational Reliability** Rated for temperatures from 0-70°C (32-158°F), supporting reliable operation in varied data center and network closet environments. Custom brand programming available for enterprises requiring OEM-specific configurations. **Applications & Use Cases** Perfect for: Data center interconnects, carrier-class WAN links, metropolitan fiber networks, disaster recovery site connections, and campus backbone upgrades. Compatible with Cisco switches, routers, and optical equipment. **Support & Warranty** Backed by a 90-day limited warranty and shipped from U.S. locations (Danville, CA or Beaufort, SC) with free standard shipping on orders exceeding $99. Manufactured in Vietnam and China to highest quality standards.