The JBX02153 1000BASE-BX20-D SFP transceiver represents a premium solution for organizations requiring extended-reach gigabit Ethernet connectivity. This optical module is engineered to deliver exceptional performance over 20 kilometers of standard singlemode fiber, making it ideal for metropolitan area networks, campus interconnects, and long-distance data center links. Key Technical Specifications: Operating at 1GB data rates, this transceiver utilizes a simplex LC/UPC fiber connection supporting the 1000BASE-BX20-D standard. The 9/125µm singlemode fiber core ensures minimal attenuation and chromatic dispersion, critical for maintaining signal fidelity across extended distances. The module maintains full compatibility with Cisco GLC-BX-D20 hardware, eliminating costly equipment replacement when upgrading existing infrastructure. Robust Design and Compliance: Manufactured with a professional-grade metal case and integrated laser transmitter, the JBX02153 withstands demanding network environments. Its compliance with RoHS, ELV, and EU Directive 2002/95/EC reflects commitment to environmental responsibility. Comprehensive safety certifications—including Class 1 Laser classification, TUV, and FDA 21CFR 1040.10—guarantee safe operation in any deployment scenario. Performance and Reliability: Qualified to SFF-8472 specifications with extended-reach BiDi capability beyond standard IEEE 802.3ah protocols, this transceiver exceeds industry benchmarks. Operating temperatures from 0-70°C accommodate diverse installation locations, from air-conditioned server rooms to outdoor equipment enclosures. Value Proposition: With a 90-day limited warranty, free standard shipping on orders over $99, and custom brand programming available, the JBX02153 offers flexibility and cost-effectiveness. Whether replacing aging infrastructure or building new networks, this Cisco-compatible module delivers professional-grade performance at competitive pricing. Applications: Ideal for telecommunications providers, large enterprises, educational institutions, and government agencies requiring reliable long-distance fiber connectivity without premium pricing.