The JBX01736 10GBASE-BX40-D SFP+ transceiver is a high-performance optical transmission module engineered for data center interconnects, metro networks, and long-distance network extensions. Featuring Juniper SFPP-10GE-BX40D-IT compatibility, this transceiver enables seamless integration into enterprise environments without requiring firmware modifications or hardware adjustments. **Key Features & Specifications:** Operating at 10 Gigabits per second, this transceiver extends connectivity to 40 kilometers over single-mode fiber with 9/125 core specifications. The simplex LC/UPC connector design ensures optimal light coupling and minimal signal loss, while the single-strand fiber configuration reduces cabling complexity and infrastructure costs. The metal case construction provides electromagnetic shielding and thermal stability, protecting the integrated laser transmitter and receiver components. **Compliance & Safety:** Fully RoHS and ELV compliant, this module meets EU Directive 2002/95/EC environmental standards. It carries Class 1 Laser certification and adheres to FDA 21CFR 1040.10 regulations, ensuring safe operation in professional environments. Qualified to IEEE 802.3ae, SFF-8431, and SFF-8472 specifications, it guarantees interoperability with certified network equipment. **Performance & Reliability:** With an extended operating temperature range of -40°C to 85°C (-40°F to 185°F), this transceiver performs reliably in diverse environmental conditions, from climate-controlled data centers to outdoor telecommunications cabinets. The robust design minimizes signal degradation and supports consistent 10GB transmission reliability. **Application Benefits:** Ideal for enterprise customers seeking cost-effective long-distance connectivity without expensive fiber upgrades, network architects designing resilient campus networks, and service providers deploying metro optical links. The module's compact SFP+ form factor enables high-density port configurations while maintaining thermal efficiency. **Warranty & Support:** Backed by a 90-day limited warranty and available custom brand programming, this transceiver offers flexibility for OEM integration. Free standard shipping on orders exceeding $99 and multiple fulfillment locations in Danville, CA and Beaufort, SC ensure rapid deployment.