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100G DUPLEX QSFP28

100G QSFP28 ER4 Fiber Optic Transceiver Module 1310nm 40km LC SMF DDM | FLD-QSFP28-ER4 | Fiberland

100G QSFP28 ER4 1310nm 40km

Rate100GReach40kmWavelength1310InterfaceLC
Fiberland part number
FLD-QSFP28-ER4
Unit price550.00USD / piece
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At a glance

Key Specifications

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Form TypeQSFP28

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Model data

Technical Specifications

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14 specifications shown
Fiberland Part NumberFLD-QSFP28-ER4Vendor NameFIBERLAND
Data Rate100GWavelength1310
Reach40kmForm TypeQSFP28
Optical InterfaceLCDDM 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-references13 manufacturer part numbersAcross 8 brands
Showing 8 of 13 verified matches

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Original part numberBrandFiberland part numberProduct description
QSFP-100G-ER4L-SCISCOFLD-QSFP28-ER4100G ER4/ER4-Lite QSFP28 transceiver, LAN-WDM 1310 nm band, 40 km over duplex single-mode fiber, LC, with digital diagnostics.
QSFP-100G-ERL4ARISTAFLD-QSFP28-ER4100G ER4/ER4-Lite QSFP28 transceiver, LAN-WDM 1310 nm band, 40 km over duplex single-mode fiber, LC, with digital diagnostics.
QSFP-100G-ER4LJUNIPERFLD-QSFP28-ER4100G ER4/ER4-Lite QSFP28 transceiver, LAN-WDM 1310 nm band, 40 km over duplex single-mode fiber, LC, with digital diagnostics.
740-071175JUNIPERFLD-QSFP28-ER4100G ER4/ER4-Lite QSFP28 transceiver, LAN-WDM 1310 nm band, 40 km over duplex single-mode fiber, LC, with digital diagnostics.
JL743AHPFLD-QSFP28-ER4100G ER4/ER4-Lite QSFP28 transceiver, LAN-WDM 1310 nm band, 40 km over duplex single-mode fiber, LC, with digital diagnostics.
QSFP-100G-ER4L-WDM1300H3CFLD-QSFP28-ER4100G ER4/ER4-Lite QSFP28 transceiver, LAN-WDM 1310 nm band, 40 km over duplex single-mode fiber, LC, with digital diagnostics.
QSFP-100G-ER4-WDM1300H3CFLD-QSFP28-ER4100G ER4/ER4-Lite QSFP28 transceiver, LAN-WDM 1310 nm band, 40 km over duplex single-mode fiber, LC, with digital diagnostics.
SO-QSFP28-ER4SMARTOPTICSFLD-QSFP28-ER4100G ER4/ER4-Lite QSFP28 transceiver, LAN-WDM 1310 nm band, 40 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

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.

Why does my switch show an “unsupported transceiver” warning?

Some network devices validate vendor information stored in the transceiver EEPROM. If the module's coding is not recognized by the host platform, the switch may display an unsupported or non-certified transceiver warning.

Can OEM and compatible transceivers be used in the same switch?

In many networks, OEM and compatible transceivers are deployed in different ports of the same device. Each module should meet the requirements of its individual interface.

Why does the transceiver work after reinserting it?

Reinserting a module forces the host to redetect and reinitialize the transceiver. If this repeatedly resolves the issue, inspect the port, module contacts, firmware behavior, and compatibility profile rather than assuming the optical link itself is faulty.

How should I troubleshoot a compatible transceiver that is not recognized?

Confirm the module part number and compatibility profile, reseat the module, inspect the port status, check device logs, verify the operating-system version, and compare the module information reported by the host.

Why is EEPROM programming important for compatibility?

Network equipment may inspect the module's EEPROM information before allowing normal operation. Correct programming helps the host identify and manage the transceiver properly.

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