100G DUPLEX QSFP28

100G QSFP28 CSR4 Fiber Optic Transceiver Module 850nm 300m MPO MMF DDM | FLD-QSFP28-CSR4 | Fiberland

100G QSFP28 850nm 300m

Rate100GReach300mWavelength850InterfaceMPO
Fiberland part number
FLD-QSFP28-CSR4
Unit price28.00USD / piece

Key Specifications

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Form TypeQSFP28

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Technical Specifications

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14 specifications shown
Fiberland Part NumberFLD-QSFP28-CSR4Vendor NameFIBERLAND
Data Rate100GWavelength850
Reach300mForm TypeQSFP28
Optical InterfaceMPODDM SupportYES
Commercial Temp.0~70℃Industrial Temp.-40~85℃
Compatible BrandsCisco,Huawei,Nvidia...200+ brandsComplianceCE,FCC,ROHS,REACH
Warranty3 YearsModeMM

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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Verified cross-references2 manufacturer part numbersAcross 2 brands
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Original part numberBrandFiberland part numberProduct description
QSFP-100G-XSR4ARISTAFLD-QSFP28-CSR4100G extended-reach SR4 QSFP28 transceiver, 850 nm, 300 m over OM4 MMF, MPO, with digital diagnostics.
QSFP-100G-eSR4-MM850H3CFLD-QSFP28-CSR4100G extended-reach SR4 QSFP28 transceiver, 850 nm, 300 m over OM4 MMF, MPO, with digital diagnostics.

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.

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.

Will compatible transceivers work after a switch firmware upgrade?

They often do, but firmware changes can modify transceiver validation behavior. Compatibility should therefore be verified when deploying modules on newly updated network operating systems.

Is FEC important when using high-speed compatible transceivers?

Yes. Forward Error Correction is an important consideration for many 25G, 50G, 100G, 200G, 400G, and 800G interfaces. Both ends of the link must use compatible FEC and interface settings.

Why are the DDM/DOM readings incorrect or abnormal?

Abnormal temperature, voltage, TX power, RX power, or bias-current readings may indicate an optical or hardware issue, but they can also result from incorrect calibration or communication between the compatible module and host device.

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.

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