The JBX01851 10GBASE-LR SFP+ transceiver module is a premium optical transmission solution designed for mission-critical networking environments. As a direct HPE QK727A compatible replacement, it offers seamless integration into existing HPE infrastructure while delivering exceptional performance and reliability. Technical Specifications: Operating at 1310nm wavelength, this transceiver supports 10 Gigabit Ethernet transmission over extended distances up to 10 kilometers through single-mode fiber optic cable. The duplex LC/UPC connector configuration ensures optimal signal quality and low insertion loss, critical factors in high-speed network deployments. The module is constructed with a durable metal case housing advanced laser transmission technology, maintaining data integrity across demanding network conditions. Its compact SFP+ form factor (5x4x2mm dimensions) allows for high-density port deployments in network switches and routers. Compliance and Certification: Fully qualified to IEEE 802.3ae specifications, SFF-8431, and SFF-8472 standards, this transceiver meets rigorous industry requirements. RoHS and ELV compliance ensures environmentally responsible manufacturing, while Class 1 laser certification and TUV/UL/FDA approvals (21CFR 1040.10) guarantee safety in professional environments. Applications and Use Cases: Ideal for data center interconnects, campus network backbone connections, and enterprise WAN applications. The 10km range over single-mode fiber makes it perfect for connecting geographically dispersed facilities while maintaining gigabit-speed performance. Operational Features: With an operating temperature range of 0°C to 70°C (32°F to 158°F), this module performs reliably in controlled data center environments and field installations. The 90-day limited warranty provides peace of mind for your networking investments. Customization Available: Custom brand programming is available to meet specific deployment requirements and organizational standards. Ships from multiple U.S. locations (Danville, CA and Beaufort, SC) with free standard shipping on orders over $99, ensuring quick delivery and cost-effective procurement for businesses of all sizes.