Select a specification to see how it affects model selection.
Check this recorded value against the target device and project requirements before quotation approval.
Filter the product record by the information needed for engineering or purchasing review.
| Fiberland Part Number | FLD-QDD-400G-SR4.2 | Vendor Name | FIBERLAND |
|---|---|---|---|
| Data Rate | 400G | Wavelength | 850/910 |
| Reach | 100m | Form Type | QSFP-DD |
| Optical Interface | LC | DDM Support | YES |
| Commercial Temp. | 0~70℃ | Industrial Temp. | - |
| Compatible Brands | Cisco,Huawei,Nvidia...200+ brands | Compliance | CE,FCC,ROHS,REACH |
| Warranty | 3 Years | Mode | MM |
Cross-reference the original manufacturer part number with the corresponding Fiberland part number before confirming the target device and firmware.
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.
Review common data-center, DCI, campus, server and metro-network connections before confirming speed, reach, fiber type and connector.
Compare representative network topologies and link paths to identify the appropriate product family for the intended deployment.
Follow the checkpoints used to verify materials, firmware, optical performance, temperature stability, compatibility and final inspection.
Review the sequence from material verification and firmware programming through optical, temperature, compatibility and final QA inspection.
Answers to common compatibility, installation and troubleshooting questions.
A compatible replacement should meet the applicable transmit-power and receiver-sensitivity specifications for the interface it is designed to support.
Low receive power can result from excessive fiber loss, dirty connectors, damaged fiber, excessive link distance, incorrect wavelength pairing, or insufficient transmit power from the remote transceiver. Compare the measured RX power with the module's specified receiver range.
Yes. Compatible modules are available across many high-speed interfaces, although compatibility requirements become increasingly platform-specific at higher data rates.
Reinserting a module forces the host to redetect and reinitialize the transceiver. If this repeatedly resolves the issue, inspect the port, module contacts, firmware behavior, and compatibility profile rather than assuming the optical link itself is faulty.
Yes. Host compatibility and optical-link compatibility are separate issues. A module may be correctly recognized while the link fails because of fiber, wavelength, FEC, polarity, configuration, or link-budget problems.
Move from model selection to internal approval with the documents, compatibility checks and verification paths buyers use most.
01Technical filesFind model-level specifications, drawings and selection documents before internal review.
Find datasheets
02Device fitReview device, firmware and coding fit before specifying a module for your network.
Check compatibility
03VerificationSee optical, functional and pre-shipment checks used to verify product performance.
Review testing
04Project approvalReview certification routes and request supporting documents for project approval.
View documents