Cisco QDD-400G-FR4-S 400G QSFP-DD Optical Transceiver for 2 km Single-Mode Fiber Networks

Cisco · Industrial Automation & Electrical

Description  The Cisco QDD-400G-FR4-S is a QSFP-DD optical transceiver designed to deliver 400 Gigabit Ethernet connectivity over duplex single-mode fiber for high-density enterprise, cloud, and service provider networks. This Cisco QDD-400G-FR4-S module supports 400GBASE-FR4 transmission with a maximum reach of 2 kilometers using LC duplex connectors and CWDM technology. Its hot-swappable design and compact QSFP-DD form factor provide efficient deployment for modern high-bandwidth switching and routing platforms.     Technical Specifications  Condition New/Never Used Surplus Brand Cisco Category Networking Part Number QDD-400G-FR4-S Subcategory QSFP-DD Optical Transceiver Form Factor QSFP-DD Ethernet Standard 400GBASE-FR4 Data Rate 400 Gbps Fiber Type Single-Mode Fiber (G.652 SMF) Maximum Distance 2 km Connector Type Duplex LC Operating Wavelengths 1271 nm, 1291 nm, 1311 nm, 1331 nm Electrical Interface 400GAUI-8 Maximum Power Consumption 12 W Operating Temperature 0°C to 75°C Storage Temperature -40°C to 85°C Compliance IEEE 802.3cu, QSFP-DD MSA, 100G Lambda MSA, RoHS Weight 0.08 lbs     Information About QDD-400G-FR4-S The QDD-400G-FR4-S is part of Cisco's 400G QSFP-DD optical transceiver portfolio, developed for next-generation data centers, enterprise core networks, and service provider infrastructures. It utilizes four CWDM optical wavelengths transmitted over a duplex single-mode fiber pair, enabling 400 Gigabit Ethernet communication across distances up to 2 kilometers while reducing fiber requirements compared to parallel optics. The module complies with IEEE 802.3cu 400GBASE-FR4, QSFP-DD MSA, 100G Lambda MSA, and 400GAUI-8 standards to ensure interoperability across supported Cisco networking platforms. Its low-power architecture, hot-swappable installation, and high-density design make it suitable for scalable 400G deployments requiring reliable optical performance and efficient infrastructure expansion. Key Features: 400 Gigabit Ethernet Performance: Supports optical data transmission at up to 400 Gbps. QSFP-DD Form Factor: High-density pluggable design optimized for modern switching platforms. CWDM4 Optical Technology: Uses four CWDM wavelengths over duplex single-mode fiber. Two Kilometer Reach: Supports transmission distances up to 2 km on G.652 single-mode fiber. Duplex LC Interface: Utilizes standard LC optical connectors for simplified fiber deployment. Hot-Swappable Module: Allows installation and replacement without shutting down network equipment. Standards Compliance: Supports IEEE 802.3cu, QSFP-DD MSA, 100G Lambda MSA, and 400GAUI-8. Energy-Efficient Design: Operates with low power consumption while maintaining high-speed optical performance. The QDD-400G-FR4-S delivers the reliability and precision required for high-speed optical networking, enterprise backbone connectivity, and large-scale data center deployments.

Brand: Cisco · Category: Industrial Automation & Electrical

Key features

• 400 Gigabit Ethernet Performance: Supports optical data transmission at up to 400 Gbps.
• QSFP-DD Form Factor: High-density pluggable design optimized for modern switching platforms.
• CWDM4 Optical Technology: Uses four CWDM wavelengths over duplex single-mode fiber.
• Two Kilometer Reach: Supports transmission distances up to 2 km on G.652 single-mode fiber.
• Duplex LC Interface: Utilizes standard LC optical connectors for simplified fiber deployment.
• Hot-Swappable Module: Allows installation and replacement without shutting down network equipment.
• Standards Compliance: Supports IEEE 802.3cu, QSFP-DD MSA, 100G Lambda MSA, and 400GAUI-8.
• Energy-Efficient Design: Operates with low power consumption while maintaining high-speed optical performance.

Specifications

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