The JBX02193 1000BASE-BX40-U SFP transceiver module is engineered to extend your network reach to 40 kilometers using simplex singlemode fiber connectivity. This premium optical transceiver represents an excellent replacement solution for Extreme Networks AA1419076-E6 equipment, offering drop-in compatibility with exceptional reliability. **Technical Specifications:** This transceiver operates at 1GB data rates with bidirectional wavelengths of 1310/1490nm, enabling efficient duplex communication over a single fiber strand. The 9/125 micron singlemode fiber core ensures signal integrity over extended distances, while the Simplex LC/UPC connector provides secure, low-insertion-loss connections. **Performance & Reliability:** Qualified to SFF-8472 specifications for extended-reach BiDi applications beyond standard IEEE 802.3ah requirements, this module delivers consistent performance in demanding network environments. The Class 1 laser classification ensures safe operation, with full compliance to FDA 21CFR 1040.10 and multiple safety certifications (UL, TUV) validating its safety profile. **Compliance & Environmental:** As a RoHS and ELV directive-compliant product, this transceiver meets EU directive 2002/95/EC environmental standards. Manufactured to precision tolerances with dimensions of 5x4x2 inches and operating reliably from 0 to 70°C (32 to 158°F). **Practical Benefits:** The metal case construction with integrated laser transmitter provides durability and longevity in rack-mounted and outdoor deployment scenarios. Custom brand programming is available for OEM integration requirements. Each unit includes a 90-day limited warranty, providing confidence in your investment. **Ideal Applications:** Perfect for campus networks, metropolitan area networks (MANs), and long-distance point-to-point fiber links. Data center operators, telecom professionals, and enterprise IT teams benefit from its extended reach capability without the expense of traditional long-haul solutions. **Shipping & Support:** Enjoy free standard shipping on orders exceeding $99, with fulfillment from Danville, CA or Beaufort, SC locations for rapid delivery nationwide.