Skip to content 
100G CFP to QSFP28 Adapter Module CAUI-10 to CAUI-4
Categories:
Product Highlights:
- 100G CFP to QSFP28 interface conversion
- CAUI-10 to CAUI-4 conversion
- Supports configurable low-latency FEC
- MDIO and I2C management interfaces
- Enables practical migration of legacy 100GbE infrastructure
Table of Contents
Description
The 100G CFP to QSFP28 Adapter Module is a high-performance interface conversion solution designed to connect legacy CFP-based 100GbE equipment with QSFP28 optical modules and platforms. It converts the CFP-side CAUI-10 electrical interface, using 10 × 10Gb/s lanes, to a QSFP28-compatible CAUI-4 interface with 4 × 25.78Gb/s lanes. The module supports configurable FEC operation and low-latency signal processing, while MDIO and I2C interfaces provide convenient management and monitoring. Designed for data centers, telecom networks, and Ethernet infrastructure, it provides a practical way to upgrade 100GbE connectivity while extending the service life of existing CFP-based equipment.
Specification
| Data Rate | 100Gb/s Ethernet |
|---|---|
| CFP Electrical Interface | CAUI-10 |
| CFP Lane Configuration | 10 lanes × 10Gb/s |
| QSFP28 Electrical Interface | CAUI-4 |
| QSFP28 Lane Configuration | 4 lanes × 25.78Gb/s |
| FEC Support | Low-Latency FEC |
| FEC Configuration | Enable / Disable via Register Configuration |
| Management Interface | MDIO, I2C |
| Reference Clock | 161.133MHz or 644.531MHz |
Features
- Supports 100GbE interface conversion
- Converts CAUI-10 to CAUI-4
- CFP electrical interface to QSFP28-compatible interface
- 10 × 10Gb/s CAUI-10 input lanes
- 4 × 25.78Gb/s CAUI-4 output lanes
- Integrated low-latency FEC support
- Configurable FEC enable/disable
- MDIO and I2C management interfaces
- Designed for reliable high-speed signal conversion
Applications
- 100GbE data center networks
- CFP-based network equipment upgrades
- Telecom transport systems
- Ethernet switching and routing infrastructure
- Network interface migration
- Legacy 100G equipment modernization
FAQ
What does this adapter module convert?
It converts the CFP-side CAUI-10 electrical interface into a QSFP28-compatible CAUI-4 interface, enabling interoperability between different 100GbE interface architectures.
Can it connect legacy CFP equipment to QSFP28 platforms?
Yes. The module is designed specifically to provide an interface bridge between CFP-based 100GbE equipment and QSFP28-based optical platforms, helping extend the usability of existing infrastructure.
Does the module support FEC?
Yes. It provides integrated low-latency FEC support with configurable FEC enable and disable settings, allowing the operating mode to be adjusted according to system requirements.
How is the adapter managed?
The module provides MDIO and I2C interfaces for configuration, monitoring, and management of the adapter and its operating parameters.
What applications is it suitable for?
It is suitable for 100GbE data centers, telecom transport networks, Ethernet infrastructure, and network upgrades where legacy CFP equipment needs to interoperate with newer QSFP28-based solutions.
Quality Qulifications and Compliance
To get the detailed certification, please go to the Compliance.
Please Note: Our products comply with all internationally recognized and industry-standard specifications. For customized or special requirement products, we carry out testing and standards in accordance with the conformity criteria specified in the contract.
Related Products
Have Questions? Contact Our Product Experts or Sales Team Today! We Will Fedback You Soon.
