1G CWDM SFP

1.25G CWDM SFP Duplex 40km

Rate1GReach40kmWavelength1270~1610InterfaceDUPLEX LC
Fiberland part number
FLD-GC-XXXX-40
Unit price24.00USD / piece

Key Specifications

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Form TypeCWDM SFP

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Technical Specifications

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14 specifications shown
Fiberland Part NumberFLD-GC-XXXX-40Vendor NameFIBERLAND
Data Rate1GWavelength1270~1610
Reach40kmForm TypeCWDM SFP
Optical InterfaceDUPLEX LCDDM SupportYES
Commercial Temp.0~70℃Industrial Temp.-40~85℃
Compatible BrandsCisco,Huawei,Nvidia...200+ brandsComplianceCE,FCC,ROHS,REACH
Warranty3 YearsModeSM

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-references26 manufacturer part numbersAcross 2 brands
Showing 8 of 26 verified matches

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Original part numberBrandFiberland part numberProduct description
TN-CWDM-SFP-1270-40TRANSITION NETWORKSFLD-GC-XXXX-40Transition Networks Cisco-compatible 1000BASE-LX/ZX CWDM SFP transceiver, 1270 nm, 40 km over single-mode fiber, duplex LC, with DMI.
TN-CWDM-SFP-1290-40TRANSITION NETWORKSFLD-GC-XXXX-40Transition Networks Cisco-compatible 1000BASE-LX/ZX CWDM SFP transceiver, 1290 nm, 40 km over single-mode fiber, duplex LC, with DMI.
TN-CWDM-SFP-1310-40TRANSITION NETWORKSFLD-GC-XXXX-40Transition Networks Cisco-compatible 1000BASE-LX/ZX CWDM SFP transceiver, 1310 nm, 40 km over single-mode fiber, duplex LC, with DMI.
TN-CWDM-SFP-1330-40TRANSITION NETWORKSFLD-GC-XXXX-40Transition Networks Cisco-compatible 1000BASE-LX/ZX CWDM SFP transceiver, 1330 nm, 40 km over single-mode fiber, duplex LC, with DMI.
TN-CWDM-SFP-1350-40TRANSITION NETWORKSFLD-GC-XXXX-40Transition Networks Cisco-compatible 1000BASE-LX/ZX CWDM SFP transceiver, 1350 nm, 40 km over single-mode fiber, duplex LC, with DMI.
TN-CWDM-SFP-1370-40TRANSITION NETWORKSFLD-GC-XXXX-40Transition Networks Cisco-compatible 1000BASE-LX/ZX CWDM SFP transceiver, 1370 nm, 40 km over single-mode fiber, duplex LC, with DMI.
TN-CWDM-SFP-1390-40TRANSITION NETWORKSFLD-GC-XXXX-40Transition Networks Cisco-compatible 1000BASE-LX/ZX CWDM SFP transceiver, 1390 nm, 40 km over single-mode fiber, duplex LC, with DMI.
TN-CWDM-SFP-1410-40TRANSITION NETWORKSFLD-GC-XXXX-40Transition Networks Cisco-compatible 1000BASE-LX/ZX CWDM SFP transceiver, 1410 nm, 40 km over single-mode fiber, duplex LC, with DMI.

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.

Is the optical power of a compatible transceiver different from the OEM version?

A compatible replacement should meet the applicable transmit-power and receiver-sensitivity specifications for the interface it is designed to support.

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 is EEPROM coding in an optical transceiver?

EEPROM coding stores identification and operating information such as vendor data, part number, wavelength, interface characteristics, and other parameters read by the host equipment.

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.

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Technical proof for faster project review

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