The JBX01743 is a high-capacity 10GBASE-BX40-U SFP+ optical transceiver module designed to meet the demanding requirements of modern networking infrastructure. This device provides seamless connectivity for Cisco systems and other compatible platforms, delivering exceptional performance across extended distances. **Technical Specifications:** This transceiver operates at 10Gbps data rates and supports transmission distances up to 40 kilometers over single-mode fiber (SMF) with a 9/125μm core. The simplex LC/UPC connector ensures reliable, low-loss connections while maintaining industry-standard compatibility. The module features a metal case housing with integrated laser transmitter technology, engineered for durability and consistent performance. **Standards & Compliance:** Qualified to IEEE 802.3ae specifications and SFF standards (SFF-8431, SFF-8472), this transceiver meets stringent international requirements. It carries RoHS certification and complies with EU directive 2002/95/EC. Safety certifications include Class 1 Laser classification, TUV approval, and FDA 21CFR 1040.10 compliance, ensuring safe operation in any environment. **Performance & Reliability:** With an operating temperature range of -40°C to +85°C, this transceiver performs reliably in diverse climate conditions. The robust construction and laser transmitter design minimize signal degradation, ensuring stable connectivity for mission-critical applications. The 90-day limited warranty provides additional peace of mind. **Application & Compatibility:** Ideally suited for enterprise data centers, telecommunications infrastructure, and long-distance network deployments, this Cisco SFP-10G-BX40U-I compatible module integrates directly with existing systems. It's perfect for organizations requiring cost-effective, high-capacity fiber optic solutions without extensive infrastructure modifications. **Ordering & Support:** Available with free standard shipping on orders exceeding $99. Ships from strategic US locations (Danville, CA and Beaufort, SC) for expedited delivery. Custom brand programming is available upon request to meet specific organizational requirements.