The JBX01964 100BASE-BX20-D SFP transceiver represents a premium solution for organizations requiring cost-effective, high-performance fiber optic connectivity across extended distances. Engineered to IEEE 802.3ah standards and SFF-8472 specifications, this transceiver exceeds conventional requirements by offering extended-reach BiDi capabilities that maximize your network's potential. **Technical Excellence:** Operating at 100MB data rates with support for 20km transmission distances over 9/125 singlemode fiber, this transceiver delivers the performance your enterprise demands. The simplex LC/UPC fiber connector ensures precise alignment and minimal insertion loss, critical factors in maintaining signal integrity across long-distance links. Its metal case construction with integrated laser transmitter technology provides durability and reliability in demanding network environments. **Compatibility & Integration:** Direct compatibility with Cisco's GLC-FE-100BX-D equipment eliminates costly equipment replacement. Simply swap existing modules with this high-performance alternative to immediately enhance your network capabilities. The standard SFP form factor fits all contemporary network equipment, ensuring hassle-free deployment. **Safety & Compliance:** Comprehensive safety certifications including Class 1 Laser, TUV, and FDA 21CFR 1040.10 compliance guarantee operator safety. Full RoHS/ELV compliance meets EU directive 2002/95/EC standards, reflecting commitment to environmental responsibility and regulatory adherence. **Performance Specifications:** - Data Rate: 100MB - Distance: 20km over singlemode fiber - Fiber Type: 9/125 singlemode - Connector: Simplex LC/UPC - Operating Temperature: 0-70°C (32-158°F) - Form Factor: Compact 5x4x2mm SFP module - Warranty: 90-day limited coverage **Deployment Applications:** Ideal for metropolitan area networks (MANs), enterprise campus interconnects, carrier-class applications, and long-distance data center replication. Perfect for organizations expanding network reach without extensive infrastructure investment. **Value Proposition:** Shipped from multiple US locations (Danville, CA and Beaufort, SC) with free standard shipping on orders exceeding $99, this transceiver combines premium performance with exceptional accessibility. Custom brand programming options accommodate enterprise requirements while maintaining compatibility with existing equipment ecosystems. Whether upgrading legacy systems or expanding modern infrastructure, the JBX01964 delivers enterprise-grade reliability at competitive pricing.