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40G QSFP+ TRANSCEIVER

40G QSFP+ PSM4 Fiber Optic Transceiver Module 1310nm 10km MPO SMF DDM | FLD-QSFP+PSM4 | Fiberland

40G QSFP+ 1310nm 10km

Rate40GReach10kmWavelength1310InterfaceMPO
Fiberland part number
FLD-QSFP+PSM4
Unit price85.00USD / 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+PSM4Vendor NameFIBERLAND
Data Rate40GWavelength1310
Reach10kmForm TypeQSFP+
Optical InterfaceMPODDM SupportYES
Commercial Temp.0~70℃Industrial Temp.-40~85℃
Compatible BrandsCisco,Huawei,Nvidia...200+ brandsComplianceCE,FCC,ROHS,REACH
Warranty3 YearsModeSM
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-references5 manufacturer part numbersAcross 5 brands
Showing 5 of 5 verified matches

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Original part numberBrandFiberland part numberProduct description
QSFP-4X10G-LR-SCISCOFLD-QSFP+PSM440G parallel single-mode QSFP+ transceiver, 1310 nm, 10 km over SMF, MPO, with digital diagnostics.
QSFP-40G-PLR4ARISTAFLD-QSFP+PSM440G parallel single-mode QSFP+ transceiver, 1310 nm, 10 km over SMF, MPO, with digital diagnostics.
JNP-QSFP-4X10GE-LRJUNIPERFLD-QSFP+PSM440G parallel single-mode QSFP+ transceiver, 1310 nm, 10 km over SMF, MPO, with digital diagnostics.
SO-QSFP-LR4-PSMSMARTOPTICSFLD-QSFP+PSM440G parallel single-mode QSFP+ transceiver, 1310 nm, 10 km over SMF, MPO, with digital diagnostics.
QSFP-40G-eSM4HUAWEIFLD-QSFP+PSM440G parallel single-mode QSFP+ transceiver, 1310 nm, 10 km over SMF, 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

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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
Product FAQ

Frequently Asked Questions

Answers to common compatibility, installation and troubleshooting questions.

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.

Do compatible transceivers support hot swapping?

Most SFP-family, QSFP-family, and similar pluggable transceivers are designed for hot-pluggable operation according to the applicable interface specification. Host-equipment procedures should still be followed.

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.

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.

Do both ends of an optical link need the same OEM compatibility?

No. Each transceiver generally needs to be compatible with the equipment in which it is installed. For example, one end may be coded for one switch brand and the other end for another.

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