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This picture is about QSFP-LR4L-40G Optical Transceiver Module Overall Introduction | FS.
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Product Highlights

Built-in Semtech Chip, Max. Power Consumption 3.5W
Tested in Targeted Switches for Superior Performance, Quality, and Reliability
High-Speed Electrical Interface Compliant to IEEE 802.3ba
FS BOX - Support Real-time Configuration
Interoperable with Other IEEE-compliant 40GBASE Interfaces as Applicable
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Fortinet Compatible 40GBASE-LR4L QSFP+ Optical Transceiver Module (SMF, 1310nm, 2km, LC, DOM)

The QSFP+ module is designed for use in 40GBASE Ethernet throughput up to 2km over single mode fiber (SMF) using a wavelength of 1310nm via duplex LC connectors. This transceiver is compliant with QSFP+ MSA and IEEE 802.3ba 40GBASE-LR4 standard. Digital diagnostics functions are also available via the I2C interface, as specified by the QSFP+ MSA, to allow access to real-time operating parameters. With these features, this easy to install, hot swappable transceiver is suitable to be used in various applications, such as data centers, high-performance computing networks, enterprise core and distribution layer applications


Quality Testing Program

Take a look at our test program to get the reliable and high-performance optical transceivers.

Quality Testing Program

Optical Transceivers Testing Learn more
Certifications
Fully certified to meet strict international safety and quality standards for the industry. Go to the Compliance Center for specific certifications.
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.