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Cisco

Cisco QDD-400G-FR4-G | 400G QSFP-DD | 400GBASE-FR4 | 1310 nm CWDM4 | 2 km SMF | Duplex LC

SKU:QDD-400G-FR4-G

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Description

High-density 400GBASE-FR4 transceiver for duplex single-mode links up to 2 km. Utilizes 4x100G PAM4 wavelengths on the 1310 nm CWDM4 grid, providing simple LC connectivity and streamlined cable plant migration. CMIS-managed with DOM for proactive monitoring and designed for standards-based operation on FR4-capable QSFP-DD ports.

Features

- Standards-compliant 400GBASE-FR4 for multi-vendor networks
- 2 km reach over OS2 SMF using duplex LC
- CMIS-managed with real-time DOM
- PAM4 technology for high spectral efficiency
- Hot-pluggable QSFP-DD for operational flexibility

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

Technical Specifications

- Data rate: 400 Gigabit Ethernet
- Form factor: QSFP-DD (QSFP56-DD)
- Optical standard: 400GBASE-FR4 (IEEE 802.3cu)
- Wavelengths: 1271/1291/1311/1331 nm (1310 nm CWDM4)
- Reach: up to 2 km over OS2/G.652.D single-mode fiber
- Connector: Duplex LC/UPC
- Optical modulation: 4x100G PAM4
- Host electrical lanes: 8x50G PAM4
- FEC: RS(544,514) KP4 required on host
- Management: CMIS compliant; DOM/DDM monitoring
- Operating temperature: 0 to 70 °C
- Hot-swappable; RoHS compliant

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