400G QSFP-DD, QSFP112, OSFP DAC

400G QSFP112 TO QSFP112 DAC 0.5m

Rate400GReach0.5mWavelength-Interface-
Fiberland part number
FLD-4Q112-DAC-0.5M
Unit priceAsk Our Manager

Key Specifications

Select a specification to see how it affects model selection.

View complete table
Form TypeQSFP112 ~ SFP112

Check this recorded value against the target device and project requirements before quotation approval.

Technical Specifications

Filter the product record by the information needed for engineering or purchasing review.

14 specifications shown
Fiberland Part NumberFLD-4Q112-DAC-0.5MVendor NameFIBERLAND
Data Rate400GWavelength-
Reach0.5mForm TypeQSFP112 ~ SFP112
Optical Interface-DDM Support-
Commercial Temp.0~70℃Industrial Temp.-
Compatible BrandsCisco,Huawei,Nvidia...200+ brandsComplianceCE,FCC,ROHS,REACH
Warranty3 YearsMode-

Product Compatibility Mapping

Cross-reference the original manufacturer part number with the corresponding Fiberland part number before confirming the target device and firmware.

Search Full Compatibility Database

No verified part-number mapping is linked to this product yet.

Send the target device brand, model, firmware or OS and port details for an exact compatibility review.

A part-number cross-reference is a model-selection starting point, not a blanket device guarantee. Final fit depends on the exact device, firmware or OS, target port and requested coding profile.

See Where This Product Fits in the Network

Review common data-center, DCI, campus, server and metro-network connections before confirming speed, reach, fiber type and connector.

Application planning

Optical Transceiver Application and Link Map

Compare representative network topologies and link paths to identify the appropriate product family for the intended deployment.

View full application diagram
Optical transceiver application diagram covering data center, DCI, campus, server and metro networks

Review the Quality-Control and Test Flow

Follow the checkpoints used to verify materials, firmware, optical performance, temperature stability, compatibility and final inspection.

Testing and quality

Quality Control and Test Flow

Review the sequence from material verification and firmware programming through optical, temperature, compatibility and final QA inspection.

View full testing diagram
Quality control flow covering material, firmware, optical, temperature, compatibility and final QA checks

Frequently Asked Questions

Answers to common compatibility, installation and troubleshooting questions.

What switch information should I provide when requesting a compatible transceiver?

Providing the switch or router brand, exact model, port speed, operating-system version, and required OEM transceiver part number helps identify the correct compatibility profile.

Why does the compatible transceiver work in some ports but not others on the same switch?

Ports on the same device may support different speeds, breakout modes, interface types, or configuration settings. Check the affected port's supported transceiver types, configured speed, lane mode, and other platform-specific requirements.

What information does DDM/DOM provide?

DDM/DOM can provide real-time information such as module temperature, supply voltage, transmit optical power, receive optical power, and laser bias current.

How should I troubleshoot a transceiver that is recognized but has no optical link?

Check transmit and receive power, fiber polarity, connector cleanliness, wavelength, fiber type, link distance, FEC configuration, port speed, and the specifications of the transceiver at the opposite end.

How can I tell whether the problem is compatibility-related or an optical-link problem?

Check whether the host correctly identifies the transceiver first. If the module is rejected, incorrectly identified, or generates vendor-related warnings, investigate compatibility. If it is correctly recognized but the link remains down, investigate fiber, optical power, wavelength, FEC, polarity, and the remote endpoint.

Tell Us What Your Project Needs

Engineering resources

Technical proof for faster project review

Move from model selection to internal approval with the documents, compatibility checks and verification paths buyers use most.