The JBX01278 400GBASE-DR4 QSFP112 transceiver represents cutting-edge optical networking technology designed for demanding enterprise environments. This high-capacity module delivers 400GB data rates through advanced QSFP112 form factor architecture, making it ideal for organizations scaling their data center infrastructure or deploying long-distance network links. Key Technical Features: This transceiver operates at 1310nm wavelength with single-mode fiber (SMF) connectivity, supporting distances up to 500 meters—perfect for campus backbones and inter-datacenter links. The dual MTP/MPO-12/APC connectors ensure maximum signal integrity and minimal insertion loss. With 9/125 micron single-mode fiber core specifications, the module provides unmatched performance reliability. Compatibility & Integration: Fully compatible with Cisco QSFP-400G-DR4 specifications, this module replaces OEM part number QSFP-400G-DR4 without requiring firmware modifications. The transceiver integrates seamlessly into Cisco-based switching fabric environments, supporting rapid deployment and simplified inventory management. Build Quality & Safety: Constructed with precision metal casing and advanced laser transmitter technology, the JBX01278 meets rigorous industry safety standards including Class 1 Laser certification and FDA 21CFR 1040.10 compliance. RoHS and EU directive 2002/95/EC certification ensures environmental responsibility and regulatory compliance globally. Operational Specifications: The module operates reliably across 0-70°C environmental conditions, supporting continuous operation in diverse data center climates. Compact dimensions (5x4x2 inches) facilitate easy rack integration and space-efficient deployment. Custom brand programming is available for OEM applications. Value & Support: Every JBX01278 includes a 90-day limited warranty and qualifies for free standard shipping on orders exceeding $99. Available from multiple US distribution centers (Danville, CA and Beaufort, SC), ensuring rapid delivery and local support capabilities. Ideal Applications: Designed for enterprise data centers, service provider networks, storage area networks (SAN), and metropolitan area network (MAN) deployments requiring maximum bandwidth and extended reach capabilities.