The JBX01709 10GBASE-BX20-D SFP+ transceiver represents cutting-edge optical networking technology designed for organizations requiring reliable, high-speed data transmission over extended distances. As a direct Arista SFP-10G-BX-D20 compatible alternative, this transceiver provides enterprise-grade performance without premium pricing, making it an exceptional value for network infrastructure upgrades and expansions. **Performance Specifications:** This module delivers impressive 10GB data rates conforming to IEEE 802.3ae standards, utilizing single-mode fiber (SMF) with a 9/125 micron core for optimal signal integrity. The 20-kilometer transmission distance over single-mode fiber makes this transceiver perfect for data center interconnects, campus networks, and metropolitan area network (MAN) deployments requiring long-reach capabilities without signal regeneration. **Technical Features:** The simplex LC/UPC connector design ensures precise fiber alignment and minimal signal loss, while the integrated metal case with laser transmitter provides durability and reliable thermal management. Operating across a wide temperature range of 0 to 70°C (32 to 158°F), this module performs consistently in diverse environmental conditions. The module measures a compact 5x4x2 inches, facilitating easy installation in space-constrained equipment environments. **Safety and Compliance:** Manufactured with strict adherence to international standards, the JBX01709 holds Class 1 Laser certification, TÜV approval, and UL/FDA compliance per 21CFR 1040.10. Full RoHS and ELV directive compliance ensures environmental responsibility and regulatory compliance across global markets. These certifications guarantee safe operation in mission-critical network environments. **Ideal Applications:** - Enterprise data center interconnects - Metropolitan area network (MAN) connections - Campus fiber backbones - Telecommunications infrastructure - Cloud service provider networks - High-speed WAN links **Value Advantages:** With custom brand programming capabilities available, organizations can standardize optical module branding across their infrastructure. Free standard shipping on orders exceeding $99, combined with a 90-day limited warranty, provides confidence in your networking investment. Ships from strategically located US distribution centers in Danville, CA and Beaufort, SC for rapid delivery. **Compatibility and Integration:** Direct compatibility with Arista network equipment ensures seamless integration into existing infrastructure. The SFP+ form factor enables quick hot-swapping without system downtime, supporting rapid deployment and network reconfiguration. This transceiver replaces OEM part number SFP-10G-BX-D20 while offering superior cost-effectiveness. Invest in reliable, standards-compliant optical networking with the JBX01709 10GBASE-BX20-D SFP+ transceiver—delivering enterprise performance, proven durability, and exceptional value for your mission-critical network infrastructure.