- Data Center
Designed for high-speed data center interconnects, enabling efficient and scalable 400G networking to support cloud computing, AI, and hyperscale environments. - 400GBASE-SR4 Ethernet
Fully compliant with 400GBASE-SR4 Ethernet standards, ensuring seamless integration into next-generation high-speed Ethernet networks. - RoHS Compliance
Meets RoHS (Restriction of Hazardous Substances) standards, ensuring environmentally friendly and safe manufacturing practices by minimizing hazardous materials. - QSFP-DD MSA
Adheres to the QSFP-DD Multi-Source Agreement (MSA), ensuring compatibility with industry-standard QSFP-DD form factors and networking equipment. - CMIS V5.1
Supports CMIS V5.1 (Common Management Interface Specification) for advanced transceiver management, enabling enhanced monitoring and configuration capabilities. - Class 1 Laser
Features a Class 1 laser, ensuring safe and compliant optical transmission in accordance with international laser safety standards.
PRE-QSFP56DD-SR4.2
The PRE-QSFP56DD-SR4.2 is a high-performance 400G QSFP-DD transceiver, featuring PAM4 modulation, MMF transmission, and MPO-12 connectivity, supporting up to 100m over OM4 fiber for efficient data center and 400GBASE-SR4 Ethernet applications.
QSFP-DD, SR4.2 BIDI, 850/909nm, 400G, 100m, MMF/LC

Description
Key Features
Applications
Documents
Description
The PRE-QSFP56DD-SR4.2 is a 400G QSFP-DD transceiver featuring SR4.2 BIDI technology for high-speed short-reach applications. Operating on 850nm and 909nm wavelengths, it supports up to 100m over multimode fiber (MMF) with an MPO-12 connector, making it ideal for high-density data center interconnects.
The PRE-QSFP56DD-SR4.2 is a high-performance 400G QSFP-DD transceiver, designed for data center applications and compliant with 400GBASE-SR4 Ethernet standards. It follows the QSFP-DD MSA and supports CMIS V5.1, ensuring seamless interoperability in high-speed networking environments. Built with a Class 1 laser for safe optical transmission, it also meets RoHS compliance standards, making it a reliable and environmentally friendly solution for next-generation data center interconnects.
The PRE-QSFP56DD-SR4.2 is a high-performance 400G QSFP-DD transceiver, designed for data center applications and compliant with 400GBASE-SR4 Ethernet standards. It follows the QSFP-DD MSA and supports CMIS V5.1, ensuring seamless interoperability in high-speed networking environments. Built with a Class 1 laser for safe optical transmission, it also meets RoHS compliance standards, making it a reliable and environmentally friendly solution for next-generation data center interconnects.
Key Features
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PAM4 Modulation
Utilizes Pulse Amplitude Modulation 4-level (PAM4) for efficient high-speed data transmission, doubling the data capacity compared to NRZ modulation. -
MMF Transmission Medium
Designed for Multimode Fiber (MMF), providing cost-effective, high-bandwidth connectivity for short-reach data center interconnects. -
MPO-12 Connector
Features an MPO-12 fiber connector, ensuring high-density and reliable optical connections for streamlined deployment. -
100m Link on OM4
Supports transmission distances of up to 100m over OM4 multimode fiber, making it ideal for high-speed intra-data center communication. -
8×50 Gbps Optical Interface
Implements an 8-lane optical architecture, each operating at 50Gbps, delivering an aggregate data rate of 400Gbps for ultra-fast networking. -
Supports 4x100G SR1.2 Breakout Function
Capable of 4x100G breakout mode, allowing flexible deployment options to connect to multiple 100G SR1.2 transceivers. -
Digital Diagnostic Monitoring (DDM)
Includes real-time Digital Diagnostic Monitoring (DDM) for tracking key performance parameters such as temperature, power, and signal integrity. -
C-Temp Rated
Designed for commercial temperature (C-Temp) operation, ensuring reliable performance in typical data center environments. -
400Gbps Maximum Data Rate
Delivers an ultra-high 400Gbps data rate, supporting next-generation Ethernet and high-speed cloud computing applications. -
<12W Power Consumption
Maintains low power consumption (<12W), optimizing energy efficiency for high-density networking environments.
Applications
Documents
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