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1G BIDI SFP

1G SFP BiDi TX1310/RX1550nm 20km

Rate1GReach20kmWavelength1310/1550InterfaceBIDI LC/SC
Fiberland part number
FLD-SG-SML-20
Unit price4.50USD / 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-20Vendor NameFIBERLAND
Data Rate1GWavelength1310/1550
Reach20kmForm 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-references5 manufacturer part numbersAcross 4 brands
Showing 5 of 5 verified matches

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Original part numberBrandFiberland part numberProduct description
MGB-LA20PLANETFLD-SG-SML-20PLANET 1000BASE-BX SFP transceiver, TX 1310 nm/RX 1550 nm, 20 km over single-mode fiber, simplex LC/UPC, with DDM.
MGB-TLA20PLANETFLD-SG-SML-20PLANET industrial 1000BASE-BX SFP transceiver, TX 1310 nm/RX 1550 nm, 20 km over single-mode fiber, simplex LC/UPC, with DDM.
TN-SFP-LXB21TRANSITION NETWORKSFLD-SG-SML-20Transition Networks Gigabit Ethernet BiDi SFP transceiver, TX 1310 nm/RX 1550 nm, 20 km over single-mode fiber, simplex LC, with DMI.
SFP-GE-LH20-SM1310-BIDIH3CFLD-SG-SML-20H3C Gigabit BiDi SFP transceiver, TX 1310 nm/RX 1550 nm, 20 km over single-mode fiber, LC connector.
SFP-BX1310-EZYXELFLD-SG-SML-20Zyxel Gigabit BiDi SFP transceiver, TX 1310 nm/RX 1550 nm, 20 km over single-mode fiber, single LC, with DDMI.

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.

Will a compatible transceiver be recognized by my switch?

A correctly coded compatible transceiver should be recognized by the supported switch or router platform. Compatibility can depend on the device model, operating system, firmware version, and port configuration.

Will compatible transceivers work after a switch firmware upgrade?

They often do, but firmware changes can modify transceiver validation behavior. Compatibility should therefore be verified when deploying modules on newly updated network operating systems.

Can third-party transceivers damage a switch?

A properly designed transceiver that meets the required electrical, mechanical, thermal, and interface specifications should operate within the host platform's intended transceiver interface requirements.

Can compatible transceivers be used for 100G, 400G, and 800G networks?

Yes. Compatible modules are available across many high-speed interfaces, although compatibility requirements become increasingly platform-specific at higher data rates.

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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