The JBX02160 1000BASE-BX20 SFP transceiver is a high-performance optical module engineered for long-distance network connectivity. Designed specifically for 1Gbps Ethernet applications, this transceiver supports transmission over single-mode fiber (SMF) at distances up to 20km, making it ideal for metropolitan area networks and extended campus deployments. Key Technical Features: This transceiver utilizes bidirectional (BiDi) technology, allowing simultaneous transmission and reception over a single fiber strand using different wavelengths (1310nm and 1490nm). The simplex LC/UPC connector configuration ensures compatibility with standard network infrastructure while maintaining signal integrity. Qualified to SFF-8472 specifications and extended-reach IEEE 802.3ah standards, it guarantees interoperability with Cisco equipment and other industry-standard platforms. Performance & Reliability: With a 9/125 single-mode fiber core, the JBX02160 delivers consistent 1Gbps data transmission while minimizing signal degradation over extended distances. The metal case construction with integrated laser transmitter provides excellent environmental protection and thermal management. Operating across a 0-70°C temperature range ensures dependable performance in varied climate conditions. Compliance & Safety: Fully RoHS and ELV compliant, this transceiver meets stringent environmental standards. It carries Class 1 laser certification and FDA compliance (21CFR 1040.10), along with TUV and UL safety certifications, ensuring safe operation in enterprise environments. Applications: Ideal for data centers, financial institutions, healthcare facilities, educational campuses, and service providers requiring reliable long-distance fiber connectivity. Perfect for redundant network paths, remote site connectivity, and carrier-class network deployments. Compatibility: Drop-in replacement for Cisco MA-SFP-1GB-BX20-U with custom brand programming available. Backed by a 90-day limited warranty and supported by experienced technical teams. Free standard shipping on orders exceeding $99, with shipment from strategically located warehouses in California and South Carolina.