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1G BIDI SFP

1G BiDi SFP Fiber Optic Transceiver Module TX1310/RX1550nm 40km Simplex LC/SC SMF DDM | FLD-SG-SML-40 | Fiberland

1G SFP BiDi TX1310/RX1550nm 40km

Rate1GReach40kmWavelength1310/1550InterfaceBIDI LC/SC
Fiberland part number
FLD-SG-SML-40
Unit price5.50USD / piece
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At a glance

Key Specifications

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Form TypeBIDI SFP

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Model data

Technical Specifications

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14 specifications shown
Fiberland Part NumberFLD-SG-SML-40Vendor NameFIBERLAND
Data Rate1GWavelength1310/1550
Reach40kmForm TypeBIDI SFP
Optical InterfaceBIDI LC/SCDDM 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-references7 manufacturer part numbersAcross 5 brands
Showing 7 of 7 verified matches

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Original part numberBrandFiberland part numberProduct description
MGB-LA40PLANETFLD-SG-SML-40PLANET 1000BASE-BX SFP transceiver, TX 1310 nm/RX 1550 nm, 40 km over single-mode fiber, simplex LC/UPC, with DDM.
MGB-TLA40PLANETFLD-SG-SML-40PLANET industrial 1000BASE-BX SFP transceiver, TX 1310 nm/RX 1550 nm, 40 km over single-mode fiber, simplex LC/UPC, with DDM.
TN-SFP-LXB41TRANSITION NETWORKSFLD-SG-SML-40Transition Networks Gigabit Ethernet BiDi SFP transceiver, TX 1310 nm/RX 1550 nm, 40 km over single-mode fiber, simplex LC, with DMI.
SFP-GE-LH40-SM1310-BIDIH3CFLD-SG-SML-40H3C Gigabit BiDi SFP transceiver, TX 1310 nm/RX 1550 nm, 40 km over single-mode fiber, LC connector.
DEM-331RD-LINKFLD-SG-SML-40D-Link 1000BASE-BX-U SFP transceiver, TX 1310 nm/RX 1550 nm, 40 km over single-mode fiber, simplex LC.
EX-SFP-GE40KT13R15JUNIPERFLD-SG-SML-40Juniper bidirectional Gigabit Ethernet SFP transceiver, TX 1310 nm/RX 1550 nm, 40 km over single-mode fiber, simplex LC PC/UPC, with monitoring.
SFP-1GT13R15BX40-IJUNIPERFLD-SG-SML-40Juniper Gigabit Ethernet BiDi SFP transceiver, TX 1310 nm/RX 1550 nm, 40 km over single-mode fiber, simplex LC PC/UPC, with digital optical monitoring.

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.

Why does my compatible transceiver keep losing and restoring the link?

Intermittent links can be caused by marginal optical power, dirty connectors, unstable fiber connections, FEC mismatches, port configuration, temperature, or compatibility issues. Check both the optical link and host-side configuration.

What information does DDM/DOM provide?

DDM/DOM can provide real-time information such as module temperature, supply voltage, transmit optical power, receive optical power, and laser bias current.

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.

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.

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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