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1G Duplex SFP

1.25G SFP Duplex 1310nm 40km

Rate1GReach40kmWavelength1310InterfaceDUPLEX LC
Fiberland part number
FLD-SG-SMD-40
Unit price5.50USD / piece
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At a glance

Key Specifications

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Form TypeSFP

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Model data

Technical Specifications

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14 specifications shown
Fiberland Part NumberFLD-SG-SMD-40Vendor NameFIBERLAND
Data Rate1GWavelength1310
Reach40kmForm TypeSFP
Optical InterfaceDUPLEX LCDDM 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
MGB-L40PLANETFLD-SG-SMD-40PLANET 1000BASE-LX SFP transceiver, 1310 nm, 40 km over single-mode fiber, dual LC/UPC, with DDM.
MGB-TL40PLANETFLD-SG-SMD-40PLANET industrial 1000BASE-LX SFP transceiver, 1310 nm, 40 km over single-mode fiber, dual LC/UPC, with DDM.
GLC-EX-SMDCISCOFLD-SG-SMD-40Cisco 1000BASE-EX SFP transceiver, 1310 nm, 40 km over single-mode fiber, duplex LC, with DOM.
EX-SFP-1GE-LX40KJUNIPERFLD-SG-SMD-40Juniper 1000BASE-LX SFP transceiver, 1310 nm, 40 km over single-mode fiber, dual LC.
SFP-GE-LH40-SM1310H3CFLD-SG-SMD-40H3C Gigabit SFP transceiver, 1310 nm, 40 km over single-mode fiber, LC connector.
SFP-GE-LH40-SM1310-DH3CFLD-SG-SMD-40H3C Gigabit SFP transceiver, 1310 nm, 40 km over single-mode fiber, LC connector.
SFP-GE-LH40-SM1310-IH3CFLD-SG-SMD-40H3C industrial Gigabit SFP transceiver, 1310 nm, 40 km over single-mode fiber, LC connector.
02317346HUAWEIFLD-SG-SMD-40Huawei S-SFP-GE-LH40-SM1310 1000BASE-LX/LH eSFP transceiver, 1310 nm, 40 km over single-mode fiber, LC connector, with DDM.

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

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
Product FAQ

Frequently Asked Questions

Answers to common compatibility, installation and troubleshooting questions.

What is the difference between equipment compatibility and optical compatibility?

Equipment compatibility determines whether the host device recognizes and operates with the module. Optical compatibility determines whether the two ends of the fiber link can communicate correctly. A successful deployment requires both.

What does an “unsupported transceiver” message mean?

It usually means the host device does not recognize or approve the identification information stored in the module. It does not necessarily indicate an optical failure.

How should I troubleshoot a transceiver that is recognized but has no optical link?

Check transmit and receive power, fiber polarity, connector cleanliness, wavelength, fiber type, link distance, FEC configuration, port speed, and the specifications of the transceiver at the opposite end.

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.

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.

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