Yiyuan 400G QSFP-DD FR4 1310nm 2km LC Duplex Single-Mode Optical Transceiver

Yiyuan 400G QSFP-DD FR4 Single-Mode Optical Transceiver | PAM4 | 1310nm | 2km | LC Duplex | DOM

The Yiyuan 400G QSFP-DD FR4 transceiver delivers 400Gbps over 2km of single-mode fiber using 4-wavelength CWDM4 at 1310nm with LC duplex connectors. Designed for data center interconnect (DCI), campus backbone, and inter-building links requiring longer SMF reach in the compact QSFP-DD form factor.

Key Features

• 400Gbps over 2km SMF: Extended reach for DCI and inter-building campus links
• 4×100G CWDM4: Four-wavelength WDM design for single-mode fiber efficiency
• LC Duplex Connector: Universal interface compatible with standard SMF patch panels and structured cabling
• DOM Supported: Real-time monitoring of optical power, temperature, and voltage
• QSFP-DD MSA Compliant: Plug-and-play with all MSA-compliant platforms
• Low Power Consumption: Optimized for high-density switch deployments
• Operating Temperature: 0°C ~ 70°C commercial grade

Technical Specifications

• Data Rate: 400Gbps (4×100G)
• Form Factor: QSFP-DD
• Wavelength: 1310nm (CWDM4)
• Fiber Type: Single-Mode OS2 (SMF)
• Transmission Distance: 2km
• Connector: LC Duplex
• Modulation: PAM4
• DOM: Supported
• Standards: QSFP-DD MSA, CWDM4-OIF, IEEE 802.3

Typical Applications

• Data center interconnect (DCI) up to 2km
• Inter-building campus backbone links over SMF
• Hyperscale data center spine layer long-reach connections
• Telecom operator metro aggregation and edge networks
• Enterprise WAN aggregation over existing SMF infrastructure

Compatibility

Compatible with Cisco, Arista, Juniper, Nokia, Huawei, Dell, and other QSFP-DD MSA-compliant platforms. 100% tested before shipment. Contact us for bulk pricing or OEM inquiries.