The JBX02099 1000BASE-BX10-D SFP transceiver is a premium optical transceiver module designed to deliver reliable gigabit Ethernet connectivity over extended single-mode fiber distances. This industrial-grade module provides a cost-effective solution for networks requiring longer reach capabilities, supporting up to 10 kilometers of transmission over standard single-mode fiber infrastructure. **Key Features & Specifications:** Operating at 1GB data rates with bidirectional wavelengths (1490/1310nm), this transceiver utilizes simplex LC/UPC connectivity for straightforward fiber integration. The module's compact form factor (5.0" x 4.0" x 2.0") ensures easy installation in standard SFP slots, while its metal case provides superior durability and thermal management. The 9/125 micron single-mode fiber core supports extended transmission distances without signal degradation. **Compliance & Certifications:** This transceiver is fully qualified to IEEE 802.3ah specifications and carries multiple safety certifications: Class 1 Laser designation, TUV approval, UL certification, and FDA compliance (21CFR 1040.10). RoHS directive 2002/95/EC and ELV compliance ensure environmental responsibility and regulatory adherence across global markets. **Performance & Reliability:** Designed for industrial applications, the JBX02099 maintains consistent performance across temperature ranges of -40 to 85°C (-40 to 185°F), making it suitable for both heated data centers and outdoor network installations. The precision laser transmitter and sophisticated optical engineering deliver low latency and high reliability. **Compatibility & Integration:** As a drop-in replacement for Cisco's GLC-BX-D-I transceiver, this module integrates seamlessly with existing Cisco infrastructure without requiring firmware updates or reconfiguration. Custom brand programming is available for OEM and enterprise deployments. **Support & Warranty:** Each unit includes a 90-day limited warranty, with free standard shipping on orders exceeding $99. Ships from strategically located U.S. fulfillment centers for rapid deployment.