1G SFP Transceivers

2.5G,3G,4.25G BIDI SFP Transceiver

Rate2.5G,3G,4.25GCommon selectable lengths20km / 25km / 30km / 40km / 50km / 60km / 70km / 80kmWavelength1310/1550NM,1490/1550NMInterfaceSC/LC
Fiberland part number
FLD-S2.5G-SMS-20

Key Specifications

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Form TypeBIDI SFP

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Technical Specifications

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14 specifications shown
Vendor NameFiberlandForm TypeBIDI SFP
Data Rate2.5G,3G,4.25GWavelength1310/1550NM,1490/1550NM
Common selectable lengths20km / 25km / 30km / 40km / 50km / 60km / 70km / 80kmOptical InterfaceSC/LC
Media TypeSMDDM SupportOptional
Commercial Temp.0~70℃Industrial Temp.-40~85℃
Compatible BrandsCisco,HP,Huawei,etc...CertificatesCE,FCC,ROHS,REAC
HS Code8517706000Warranty3 Years

Product Compatibility Mapping

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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.

Why does the switch detect the transceiver but report an incorrect module type?

This can occur when the EEPROM compatibility profile does not match the intended interface or when the host interprets the programmed identification differently. Verify the module coding and corresponding OEM reference.

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.

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.

How can I verify compatibility before ordering?

Check the network-device manufacturer and model, port type, required data rate, OEM transceiver reference if available, wavelength, reach, connector, fiber type, and software or firmware version when relevant.

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Engineering resources

Technical proof for faster project review

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