1G Duplex SFP

1G SFP SX Fiber Optic Transceiver Module 850nm 550m Duplex LC MMF DDM | FLD-SG-MMD-1 | Fiberland

1.25G SFP Duplex 850nm 550m

Rate1GReach0.5kmWavelength850InterfaceDUPLEX LC
Fiberland part number
FLD-SG-MMD-1
Unit price4.00USD / piece

Key Specifications

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Form TypeSFP

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Technical Specifications

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14 specifications shown
Fiberland Part NumberFLD-SG-MMD-1Vendor NameFIBERLAND
Data Rate1GWavelength850
Reach0.5kmForm TypeSFP
Optical InterfaceDUPLEX LCDDM SupportYES
Commercial Temp.0~70℃Industrial Temp.-40~85℃
Compatible BrandsCisco,Huawei,Nvidia...200+ brandsComplianceCE,FCC,ROHS,REACH
Warranty3 YearsModeMM

Product Compatibility Mapping

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Verified cross-references22 manufacturer part numbersAcross 12 brands
Showing 8 of 22 verified matches

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Original part numberBrandFiberland part numberProduct description
MGB-SXPLANETFLD-SG-MMD-1PLANET 1000BASE-SX SFP transceiver, 850 nm, up to 550 m over multimode fiber, dual LC/UPC, with DDM.
MGB-TSXPLANETFLD-SG-MMD-1PLANET industrial 1000BASE-SX SFP transceiver, 850 nm, up to 550 m over multimode fiber, dual LC/UPC, with DDM.
TN-SFP-SXDTRANSITION NETWORKSFLD-SG-MMD-1Transition Networks 1000BASE-SX SFP transceiver, 850 nm, up to 550 m over 50/125 µm multimode fiber, LC connector, with DMI.
GLC-SX-MMDCISCOFLD-SG-MMD-1Cisco 1000BASE-SX SFP transceiver, 850 nm, up to 550 m over multimode fiber, duplex LC, with DOM.
SFP-GE-SCISCOFLD-SG-MMD-1Cisco 1000BASE-SX SFP transceiver, 850 nm, up to 550 m over multimode fiber, duplex LC, with DOM.
GLC-SX-MM-RGDCISCOFLD-SG-MMD-1Cisco industrial 1000BASE-SX SFP transceiver, 850 nm, up to 550 m over multimode fiber, duplex LC, with DOM.
EX-SFP-1GE-SXJUNIPERFLD-SG-MMD-1Juniper 1000BASE-SX SFP transceiver, 850 nm, up to 550 m over multimode fiber, dual LC.
EX-SFP-1GE-SX-ETJUNIPERFLD-SG-MMD-1Juniper extended-temperature 1000BASE-SX SFP transceiver, 850 nm, up to 550 m over multimode fiber, dual LC.

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 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.

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.

Are compatible transceivers suitable for enterprise networks?

Yes. They can be used in enterprise switching, routing, storage, campus networks, and other applications when properly matched to the network equipment and link requirements.

Why does the link work at one end but show an error at the other end?

Each transceiver must be compatible with its own host device. In a mixed-vendor link, one end may be correctly coded while the transceiver at the opposite end is not fully compatible with its switch or router.

What happens if a transceiver has the wrong compatibility coding?

The device may reject the module, display an unsupported-transceiver warning, fail to establish a link, or provide incomplete monitoring information.

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