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| Form Factor | Part No. | Fiber Type | Data Rate | Wavelength | Distance | Connector | Case Temperature | Note |
| QSFP+ BIDI | CL40GQBD80-A | SMF | 40G | LAN WDM | 80km | LC | Com. | |
| QSFP+ BIDI | CL40GQBD80-B | SMF | 40G | LAN WDM | 80km | LC | Com. | |
| QSFP+ BIDI | CL40GQBD40-A | SMF | 40G | LAN WDM | 40km | LC | Com. | |
| QSFP+ BIDI | CL40GQBD40-B | SMF | 40G | LAN WDM | 40km | LC | Com. | |
The 40G BiDi QSFP Optical Transceiver is a high-performance 40Gbps bidirectional optical module designed for high-density data communication networks. By using advanced BiDi optical technology, this QSFP module enables bidirectional transmission over a single duplex LC fiber interface, helping reduce fiber infrastructure complexity while maintaining reliable optical performance.
Designed for data centers, enterprise networks, and short-to-medium distance optical links, the 40G BiDi QSFP module supports efficient network migration and provides a flexible solution for upgrading existing 10GbE infrastructure to 40GbE connectivity.
Supports 40Gbps optical data transmission with four-channel parallel architecture, delivering stable bandwidth for demanding network applications.
Uses bidirectional optical transmission technology to achieve two-way communication over a single fiber link, optimizing fiber resource utilization.
Built with a compact QSFP package, the module enables high-density deployment in switches, routers, and data center networking equipment.
Optimized optical design helps reduce power consumption while maintaining excellent signal integrity and transmission reliability.
Designed for compatibility with industry-standard 40GbE networking platforms, supporting flexible deployment across multiple network environments.
Provides stable optical output, accurate signal transmission, and consistent performance for mission-critical communication systems.
Data Center Network Upgrade
Enterprise Core Network Infrastructure
High-Speed Server Interconnection
Cloud Computing Data Transmission
Storage Area Network (SAN)
Telecommunication Access Networks
Short Reach and Medium Reach Optical Links
C-LIGHT provides reliable optical transceiver solutions engineered for modern high-speed networking environments. Our 40G BiDi QSFP modules combine advanced optical design, strict manufacturing processes, and comprehensive testing procedures to ensure consistent performance in demanding applications.
With strong experience in optical communication technologies, C-LIGHT delivers scalable connectivity solutions for data centers, enterprises, and telecom networks, helping customers improve network efficiency while reducing fiber deployment complexity.
A 40G BiDi QSFP Optical Transceiver is a 40Gbps bidirectional optical module that enables two-way data transmission through a single fiber connection. It is designed to improve fiber utilization and simplify high-speed network deployment.
The main advantages include reduced fiber requirements, simplified cabling management, high-density deployment capability, and reliable 40GbE connectivity for modern data center and enterprise networks.
The module is typically designed for multimode fiber or single-mode fiber applications depending on the specific optical configuration and transmission distance requirements.
It can be deployed in data centers, enterprise networks, cloud infrastructure, server interconnects, storage networks, and other high-speed Ethernet environments.
BiDi technology allows transmitting and receiving signals through different optical wavelengths on the same fiber path, reducing the amount of fiber cabling required in network installations.
The module follows industry-standard QSFP form factor specifications and can be used with compatible switches, routers, and networking platforms that support 40GbE optical interfaces.
C-LIGHT optical modules undergo optical performance testing, transmission verification, reliability evaluation, and compatibility testing to ensure stable operation in different networking environments.
C-LIGHT focuses on providing high-quality optical communication products with advanced manufacturing capabilities, strict quality control, and customized solutions for global networking customers.
Yes. C-LIGHT supports customized optical transceiver solutions based on different network requirements, including optical specifications, distance options, and application scenarios.
Contact C-LIGHT for professional optical transceiver solutions, technical support, and customized networking requirements.
Contact Us●100% of products pass initial test, final test and factory inspection.
●3-step quality control management process.
●100% complete implementation of customer order quality requirements.
●100% guarantee of customer product data information security.
Please contact us to download the certification certificate.
Please Note: Installing a third party transceiver does not void your network equipment warranty. Network equipment manufacturers all have guidelines stating that warranty support on their products will not be affected.
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