The JBX01765 10GBASE-BX80-D SFP+ optical transceiver represents a high-performance solution for organizations requiring extended-reach, single-mode fiber connectivity at 10Gbps data rates. This module is engineered specifically to replace Cisco's SFP-10G-BX80D-I transceiver while offering superior cost-effectiveness without compromising reliability or performance. **Technical Specifications:** Operating at 10GBASE standards with 80km transmission distance over 9/125 single-mode fiber (SMF), this transceiver utilizes simplex LC/UPC connectors for directional, full-duplex communication across dual fiber strands. The module adheres to IEEE 802.3ae, SFF-8431, and SFF-8472 standards, ensuring compatibility with industry-standard equipment and future-proofing your network investment. **Safety & Compliance:** Certified as a Class 1 laser device under FDA 21CFR 1040.10 and international safety standards (TUV, UL), this transceiver meets RoHS and ELV directives. The metal case construction with integrated laser transmitter provides durability and thermal management for continuous operation across the extended temperature range of -40°C to 85°C (-40°F to 185°F). **Key Applications:** Ideal for metropolitan area networks (MANs), long-distance data center interconnects, carrier-grade deployments, and enterprise backbone networks. The simplex LC/UPC configuration supports bandwidth-intensive applications including video streaming, cloud computing, high-frequency trading, and large-scale data migration. **Compatibility & Integration:** Fully compatible with Cisco infrastructure and SFP+ slots in switches, routers, and optical networking equipment. Available with custom brand programming to match your network documentation and asset management requirements. **Warranty & Support:** Includes 90-day limited warranty with expedited shipping from Danville, CA and Beaufort, SC locations. Free standard shipping on orders exceeding $99. Manufactured in Vietnam and China using quality-controlled processes ensuring consistent performance and reliability.