The difference between CFP2-DCO and QSFP-DD DCO.

CFP2-DCO

CFP2-DCO is a high-performance coherent optical module widely used in modern optical communication. Designed based on the CFP2 standard, it offers high-speed transmission and flexibility while maintaining a relatively larger form factor. The "DCO" in CFP2-DCO stands for "Digital Coherent Optics," indicating its integration of a coherent optical receiver and a digital signal processor (DSP). This module supports high-capacity data transmission and is extensively utilized in critical applications such as data center interconnects, metro networks, and long-haul transmissions, ensuring robust technological support for advanced networking demands.

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Key Advantages

CFP2-DCO supports data transmission up to 400 Gbps, enabling long-distance transmission over 1,000 km without signal regeneration. It utilizes advanced modulation formats to maximize capacity and efficiency, while built-in DSP enhances reliability by compensating for fiber loss and signal distortion.

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With a compact design, it ensures efficient space use and optimized airflow management. It offers an energy-efficient, cost-effective solution for high-capacity networks and is easily integrated into existing systems.

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Specifically designed for metro and access networks, it significantly reduces total cost of ownership (TCO) by improving power efficiency and increasing port density, delivering economic benefits to users.

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QSFP-DD DCO?

QSFP-DD DCO is an advanced coherent optical module that follows the QSFP-DD standard, featuring a compact double-density design that enables higher port density. With integrated coherent optical receivers and DSPs, it supports high-speed and highly customizable data transmission. Its compact structure makes it particularly suitable for optical communication applications requiring high port density and efficiency.

Key Advantages

·?????? Compared to CFP2-DCO, QSFP-DD DCO offers a smaller form factor, lower power consumption, and greater flexibility, making it ideal for modern data centers and space-constrained environments.

·?????? It is widely adopted in the 400G optical transceiver market, especially in ZR and 400G ZR+ applications. The 400G ZR module, in QSFP-DD form factor, is designed for large data centers and point-to-point connections, achieving speeds exceeding 400Gbps over distances beyond 120km. The 400G ZR+ module integrates OIF and OpenROADM standards, supporting high-performance pluggable modules for multi-vendor interoperability, particularly in DWDM 400G scenarios.

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Choosing the Right Coherent Optical Module

CFP2-DCO and QSFP-DD DCO all play essential roles in modern optical communication, each with distinct advantages tailored for specific network applications. Selecting the appropriate module depends on the required network capacity, deployment scenario, and performance expectations.

Looking ahead, as technology advances, these coherent optical modules will continue to drive innovation in optical networking, ensuring seamless connectivity in the digital era. Their ongoing evolution will support the growing demands of high-speed, high-capacity networks worldwide.

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The above picture shows 400G, which is applied to DCI, metropolitan networks and traditional DWDM, providing services in two different markets.

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If you are interested in or have a need for fiber optic transmission, feel free to reach out and explore with us. ????????

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