The 100GBASE-4WDM-20 QSFP28 Transceiver (Model JBX01356) represents cutting-edge optical networking technology, delivering 100 gigabits per second (Gbps) of throughput over extended single-mode fiber distances. This high-performance module is specifically engineered for enterprise data centers, telecommunications networks, and service providers requiring cost-effective, long-reach optical connectivity. Technical Specifications: Operating at 100Gbps, this transceiver utilizes 4-wavelength wavelength-division multiplexing (4WDM) technology to maximize fiber utilization. It transmits data reliably over 20 kilometers (km) using standard 9/125 single-mode fiber (SMF), eliminating the need for expensive specialty fiber installations. The QSFP28 form factor ensures compatibility with modern switch infrastructure while maintaining a compact footprint. Connectivity & Compatibility: Equipped with Duplex LC/UPC connectors, this module delivers superior signal fidelity and minimal insertion loss. It is fully compatible with Extreme Networks equipment, directly replacing the OEM part number 100G-4WDM-QSFP20KM. The LC/UPC connection standard ensures reliable mating cycles and reduced back-reflection, critical for 100G applications. Performance & Reliability: Qualified to IEEE 802.3bm specifications and QSFP28 MSA standards, this transceiver guarantees consistent performance across diverse network environments. The metal case construction with integrated laser transmitter provides excellent thermal management and optical efficiency. Operating temperatures range from 0°C to 70°C, suitable for most data center and outdoor cabinet deployments. Compliance & Safety: This optical transceiver meets stringent regulatory requirements including RoHS/ELV directives, EU directive 2002/95/EC, and comprehensive laser safety certifications (Class 1 Laser, TUV, UL/FDA 21CFR 1040.10). These certifications ensure safe operation in production environments. Value-Added Services: Custom brand programming is available for organizations requiring white-label solutions. Free standard shipping applies to orders over $99, shipped from convenient US distribution centers in California and South Carolina. Application Use Cases: • Metropolitan area network (MAN) backhaul • Inter-data center connectivity • Campus backbone networks • Long-reach aggregation links • Service provider metropolitan networks • High-capacity network expansion The 100GBASE-4WDM-20 QSFP28 Transceiver provides an economical path to 100G networking while maintaining the reliability and performance standards required for mission-critical applications.