1G SFP Transceivers

1.25G Compact SFP Transceiver

Rate1.25GbpsAvailable reaches20km / 40kmWavelength1310/1490NMInterfaceLC
Fiberland part number
FLD-GCSFP-20

Key Specifications

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Form TypeCompact BIDI SFP

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Technical Specifications

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14 specifications shown
Vendor NameFiberlandForm TypeCompact BIDI SFP
Data Rate1.25GbpsWavelength1310/1490NM
Available reaches20km / 40kmOptical InterfaceLC
Media TypeSMDDM SupportOptional
Commercial Temp.0~70℃Industrial Temp.-40~85℃
Compatible BrandsCisco,HP,Huawei,etc...CertificatesCE,FCC,ROHS,REACH
HS Code8517706000Warranty3 Years

Select an Exact Length or Reach

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Fiberland part numberRateMediaWavelengthExact reachConnector
FLD-GCSFP-201.25GbpsSM1310/1490NM20KMLC
FLD-GCSFP-401.25GbpsSM1310/1490NM40KMLC

2 model options shown.

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.

What information should I provide when requesting technical support for a compatible transceiver?

Provide the transceiver part number, corresponding OEM part number, switch or router brand and exact model, operating system or firmware version, port number and speed, error messages, DDM/DOM readings, and information about the transceiver and equipment at the opposite end of the link.

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.

Why is the transceiver recognized but DDM/DOM information is missing?

The module may be recognized while diagnostic monitoring is not fully supported by the host platform or compatibility profile. Check whether both the transceiver and network device support DDM/DOM for that interface.

Can one optical transceiver be compatible with multiple brands?

Yes. The same optical hardware may support multiple equipment brands when it is programmed with the appropriate compatibility profile. Multi-vendor coding options may also be available for certain applications.

Is FEC important when using high-speed compatible transceivers?

Yes. Forward Error Correction is an important consideration for many 25G, 50G, 100G, 200G, 400G, and 800G interfaces. Both ends of the link must use compatible FEC and interface settings.

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