DAC

40G QSFP+ to QSFP+ DAC

Rate40GbpsAvailable reaches0.5m / 1m / 2m / 3m / 4m / 5m / 7m / 9m / 10m / 15mWavelengthN/AInterfaceN/A
Fiberland part number
FLD-40GD-QS2QS-0.5

Key Specifications

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Form TypeQSFP+ DAC

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Technical Specifications

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14 specifications shown
Vendor NameFiberlandForm TypeQSFP+ DAC
Data Rate40GbpsWavelengthN/A
Available reaches0.5m / 1m / 2m / 3m / 4m / 5m / 7m / 9m / 10m / 15mOptical InterfaceN/A
Media TypeN/ADDM SupportYES
Commercial Temp.0~70℃Industrial Temp.-40~85℃
Compatible BrandsCisco,HP,Huawei,etc...CertificatesCE,FCC,ROHS,REACH
HS Code8517706000Warranty3 Years

Select an Exact Length or Reach

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Fiberland part numberRateMediaWavelengthExact reachConnector
FLD-40GD-QS2QS-0.540GbpsN/AN/A0.5MN/A
FLD-40GD-QS2QS-140GbpsN/AN/A1MN/A
FLD-40GD-QS2QS-240GbpsN/AN/A2MN/A
FLD-40GD-QS2QS-340GbpsN/AN/A3MN/A
FLD-40GD-QS2QS-440GbpsN/AN/A4MN/A
FLD-40GD-QS2QS-540GbpsN/AN/A5MN/A
FLD-40GD-QS2QS-740GbpsN/AN/A7MN/A
FLD-40GD-QS2QS-940GbpsN/AN/A9MN/A
FLD-40GD-QS2QS-1040GbpsN/AN/A10MN/A
FLD-40GD-QS2QS-1540GbpsN/AN/A15MN/A

10 model options shown.

Product Compatibility Mapping

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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

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Application planning

Optical Transceiver Application and Link Map

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

Review the Quality-Control and Test Flow

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Testing and quality

Quality Control and Test Flow

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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 is EEPROM coding in an optical transceiver?

EEPROM coding stores identification and operating information such as vendor data, part number, wavelength, interface characteristics, and other parameters read by the host equipment.

Why does my switch detect the transceiver but not establish a link?

Possible causes include incorrect fiber type, wavelength mismatch, polarity, dirty connectors, excessive optical loss, incompatible link partners, FEC settings, port configuration, or compatibility issues.

Can one optical transceiver be compatible with multiple brands?

Yes. The same optical hardware may support multiple equipment brands when it is programmed with the appropriate compatibility profile. Multi-vendor coding options may also be available for certain applications.

Will a compatible transceiver be recognized by my switch?

A correctly coded compatible transceiver should be recognized by the supported switch or router platform. Compatibility can depend on the device model, operating system, firmware version, and port configuration.

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.

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Engineering resources

Technical proof for faster project review

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