Product Overview

The CDD-4E-FR-CDFC02 is a single mode QSFP-DD transceiver designed for 400 Gigabit Ethernet applications. It uses cooled EML laser transmitters and PIN photodiode receivers with four CWDM optical lanes operating at 106.25Gbps per lane. The module converts eight 53.125Gbps PAM4 electrical lanes into four optical lanes, supports transmission distances up to 2km over single mode fiber, complies with QSFP-DD MSA, 100G Lambda MSA 400G FR4 and IEEE 802.3bs standards, and provides a high-density 400GAUI-8 electrical interface.

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Feature Highlights

400G QSFP-DD transceiver with duplex LC connector
Cooled EML transmitters and PIN receivers
4 × 106.25Gbps CWDM optical lanes
Up to 2km over single mode fiber
Maximum power consumption 12W
Temp operating conditions: C-temp (0°C to +70°C)

Why Choose CloudPhotonix?

1/4
01

Proven Interoperability

Tested and verified across major networking platforms.

02

Scalable Portfolio

From short-reach DACs to long-reach optical modules.

03

Performance Assurance

Optimized for bandwidth-intensive applications.

04

Future Ready

Built for next-generation connectivity and data demands.

Compatible Networking Platforms

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