Fiberland
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40G QSFP+ TRANSCEIVER

40G QSFP+ 850nm 300m

Rate40GReach300mWavelength850InterfaceMPO
Fiberland part number
FLD-QSFP+CSR4
Unit price20.00USD / piece
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At a glance

Key Specifications

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Form TypeQSFP+

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Model data

Technical Specifications

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14 specifications shown
Fiberland Part NumberFLD-QSFP+CSR4Vendor NameFIBERLAND
Data Rate40GWavelength850
Reach300mForm TypeQSFP+
Optical InterfaceMPODDM SupportYES
Commercial Temp.0~70℃Industrial Temp.-40~85℃
Compatible BrandsCisco,Huawei,Nvidia...200+ brandsComplianceCE,FCC,ROHS,REACH
Warranty3 YearsModeMM
Compatible model reference

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-references8 manufacturer part numbersAcross 7 brands
Showing 8 of 8 verified matches

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Original part numberBrandFiberland part numberProduct description
QSFP-40G-CSR4CISCOFLD-QSFP+CSR440G extended-reach SR4 QSFP+ transceiver, 850 nm, 300 m over OM3 multimode fiber, MPO, with digital diagnostics.
QSFP-40G-XSR4ARISTAFLD-QSFP+CSR440G extended-reach SR4 QSFP+ transceiver, 850 nm, 300 m over OM3 multimode fiber, MPO, with digital diagnostics.
JH233AHPFLD-QSFP+CSR440G extended-reach SR4 QSFP+ transceiver, 850 nm, 300 m over OM3 multimode fiber, MPO, with digital diagnostics.
JG709AHPFLD-QSFP+CSR440G extended-reach SR4 QSFP+ transceiver, 850 nm, 300 m over OM3 multimode fiber, MPO, with digital diagnostics.
QFX-QSFP-40G-ESR4JUNIPERFLD-QSFP+CSR440G extended-reach SR4 QSFP+ transceiver, 850 nm, 300 m over OM3 multimode fiber, MPO, with digital diagnostics.
QSFP-40G-CSR4-MM850H3CFLD-QSFP+CSR440G extended-reach SR4 QSFP+ transceiver, 850 nm, 300 m over OM3 multimode fiber, MPO, with digital diagnostics.
MC2210411-SR4ENVIDIAFLD-QSFP+CSR440G extended-reach SR4 QSFP+ transceiver, 850 nm, 300 m over OM3 multimode fiber, MPO, with digital diagnostics.
40G-QSFP-ESR4-INTEXTREME NETWORKSFLD-QSFP+CSR440G extended-reach SR4 QSFP+ transceiver, 850 nm, 300 m over OM3 multimode fiber, 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.

Link and application reference

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
Testing and quality reference

Review the Quality-Control and Test Flow

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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.

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Quality control flow covering material, firmware, optical, temperature, compatibility and final QA checks
Product FAQ

Frequently Asked Questions

Answers to common compatibility, installation and troubleshooting questions.

How do I find a compatible transceiver for an OEM part number?

Search using the OEM part number and verify the form factor, data rate, wavelength, transmission distance, connector, fiber type, and host-platform compatibility.

Can I use two differently branded compatible transceivers at opposite ends of the link?

Yes, provided each transceiver is compatible with its local host and both modules use matching optical standards, wavelengths, data rates, fiber types, and other required link parameters.

Can compatible transceivers be used with existing fiber cabling?

Yes, provided the module's fiber requirements match the installed cabling, including single-mode or multimode fiber, connector type, wavelength, and supported transmission distance.

Are compatible transceivers suitable for data centers?

Yes. Compatible optical modules are widely used for server, switch, storage, and data-center interconnect applications when the correct interface and compatibility requirements are met.

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.

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