DAC

CAB-Q-Q-0.5M,Arista compatible DAC,40GBASE-CR4,QSFP+ to QSFP+ Direct Attached Cable 0.5 Meter

Rate40GbpsReach0.5mWavelengthN/AInterfaceN/A
Fiberland part number
FLD-CAB-Q-Q-0.5M

Key Specifications

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Form TypeDAC QSFP+

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Technical Specifications

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14 specifications shown
Vendor NameFiberlandForm TypeDAC QSFP+
Data Rate40GbpsWavelengthN/A
Reach0.5mOptical InterfaceN/A
Media TypeN/ADDM SupportN/A
Commercial Temp.0~70℃Industrial Temp.N/A
Compatible BrandsAristaCertificatesCE,FCC,ROHS,REACH
HS Code8517706000Warranty3 Years

Product Compatibility Mapping

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

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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.

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.

Is the optical power of a compatible transceiver different from the OEM version?

A compatible replacement should meet the applicable transmit-power and receiver-sensitivity specifications for the interface it is designed to support.

Why does the switch report a vendor or part number different from the physical transceiver label?

Compatible transceivers may contain programmed identification information required by the host platform. The vendor or part number reported by the switch can therefore differ from the manufacturer's physical product label.

What does an “unsupported transceiver” message mean?

It usually means the host device does not recognize or approve the identification information stored in the module. It does not necessarily indicate an optical failure.

How can I verify compatibility before ordering?

Check the network-device manufacturer and model, port type, required data rate, OEM transceiver reference if available, wavelength, reach, connector, fiber type, and software or firmware version when relevant.

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Engineering resources

Technical proof for faster project review

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