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400G QSFP-DD

400G QSFP-DD ER4L Fiber Optic Transceiver Module 1310nm 30km LC SMF DDM | FLD-QDD-400G-ER4L | Fiberland

400G QSFP-DD ER4L 1310nm 30km

Rate400GReach30kmWavelength1310InterfaceLC
Fiberland part number
FLD-QDD-400G-ER4L
Unit price2,200.00USD / piece
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At a glance

Key Specifications

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Form TypeQSFP-DD

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Model data

Technical Specifications

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14 specifications shown
Fiberland Part NumberFLD-QDD-400G-ER4LVendor NameFIBERLAND
Data Rate400GWavelength1310
Reach30kmForm TypeQSFP-DD
Optical InterfaceLCDDM SupportYES
Commercial Temp.0~70℃Industrial Temp.-
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-references3 manufacturer part numbersAcross 2 brands
Showing 3 of 3 verified matches

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Original part numberBrandFiberland part numberProduct description
QDD-400G-ER4ARISTAFLD-QDD-400G-ER4L400GBASE-ER4-30 QSFP-DD transceiver, nano-LAN-WDM 1310 nm band, 30 km over duplex single-mode fiber, LC, with digital diagnostics.
QDD-400G-ER4-30JUNIPERFLD-QDD-400G-ER4L400GBASE-ER4-30 QSFP-DD transceiver, nano-LAN-WDM 1310 nm band, 30 km over duplex single-mode fiber, LC, with digital diagnostics.
740-148033JUNIPERFLD-QDD-400G-ER4L400GBASE-ER4-30 QSFP-DD transceiver, nano-LAN-WDM 1310 nm band, 30 km over duplex single-mode fiber, LC, 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

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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.

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.

Can a transceiver be compatible with the switch but still fail to link?

Yes. Host compatibility and optical-link compatibility are separate issues. A module may be correctly recognized while the link fails because of fiber, wavelength, FEC, polarity, configuration, or link-budget problems.

Does using compatible optics affect transmission distance?

Compatibility coding itself does not determine transmission distance. Reach is primarily determined by the optical specification, fiber type, wavelength, link loss, connector quality, and network design.

Does MSA compliance guarantee switch compatibility?

No. MSA compliance helps ensure standardized physical and electrical interfaces, but individual equipment vendors may also use platform-specific identification or validation requirements.

Can compatible transceivers be reprogrammed?

Absolutely! All of our transceivers can be easily reprogrammed using our standalone offline coding kit. To get started, please share the part number, description, and serial number of your current transceivers, as well as the brands you need them to work with. Our team will generate the corresponding .bin file and send it over with clear instructions so you can update your transceivers immediately.

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