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Optical transceiver modules connected in a high-speed data network

Optical Transceiver Selection by Speed, Reach & Host Platform

Select SFP, SFP+, SFP28, QSFP+ or QSFP28 modules by host coding, wavelength, reach, fiber, temperature and diagnostics.

Technical page updated 2026-09-30

Quick answer

Select a transceiver from the host platform and port coding first, then match speed, fiber type, wavelength, reach, connector, temperature and diagnostics. Validate interoperability with the switch, firmware and channel budget before purchase.

Suitable project types

  • 1G to 100G enterprise and carrier networks
  • Data center leaf-spine upgrades
  • CWDM/DWDM or BiDi links
  • Industrial and extended-temperature deployments

Inputs required before selection

  1. 1Switch/router host, port coding and firmware
  2. 2Data rate, modulation and form factor
  3. 3Fiber mode, wavelength, connector and reach
  4. 4Temperature, DOM/DDM, FEC and alarm requirements
  5. 5Channel loss, dispersion and interoperability limits

Planning workflow

  1. 1

    Lock the host

    Record platform, port type, coding, firmware and vendor compatibility before selecting the optical module.

  2. 2

    Match the link

    Choose fiber, wavelength, reach, connector and channel budget for the actual route and patching.

  3. 3

    Check conditions

    Set temperature, DOM/DDM, power, FEC and regulatory requirements for the equipment location.

  4. 4

    Run acceptance tests

    Verify coding, optical power, alarms, error performance and interoperability in the target host before release.

Selection checklist

  • SFP, SFP+, SFP28, QSFP+ or QSFP28
  • Host coding, firmware and OEM compatibility
  • Wavelength, reach, fiber and connector
  • Commercial, industrial or extended temperature
  • DOM/DDM, FEC, power and test-report requirements
Download project input brief

Important limits

  • A nominal speed match does not prove host interoperability.
  • Reach values assume a defined fiber, loss, dispersion and temperature condition.
  • Confirm coding, firmware and warranty policy for each target platform.

Products mapped to this workflow

These products are relevant to specific stages of the workflow. Final suitability depends on the configuration and acceptance criteria above.

SFP Optical Transceiver

SFP Optical Transceiver

SFP small form factor pluggable transceiver module compatible with Multi-Sourcing Agreement (MSA) standards.

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BIDI SFP

BIDI SFP

Bi-directional SFP optical transceiver with simplex SC/LC connector and multiple TX/RX wavelength combinations.

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CWDM SFP

CWDM SFP

CWDM SFP transceiver fully compliant with IEEE802.3-2012, G.695 and G.957 standards for up to 100km link distances.

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DWDM SFP

DWDM SFP

Dense Wavelength Division Multiplexing SFP transceivers delivering high speeds and deployment flexibility.

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10G SFP+
Hot

10G SFP+

SFP+ multi-purpose optical modules for 6/8/10Gbit/s data transmission at distances from 300m to 80km.

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SFP+ BIDI

SFP+ BIDI

BIDI SFP+ transceivers operating on single strand SMF using different DFB/EML transmitter and PIN/APD receiver.

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CWDM SFP+

CWDM SFP+

10G CWDM SFP+ transceiver with power budget 16-24dBm, 18 center wavelengths from 1270nm to 1610nm.

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DWDM SFP+

DWDM SFP+

DWDM SFP+ module for single mode fiber at 100GHz or 50GHz ITU Grid nominal wavelength.

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25G SFP28

25G SFP28

25G SFP28 transceiver module compatible with 100GBASE-ER4 QSFP28 standards for next-generation networks.

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40G QSFP+

40G QSFP+

40GBASE-ER4 and OTU3 QSFP+ transceiver module for SMF, 1310nm wavelength, 40km reach with LC connector.

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100G QSFP28

100G QSFP28

100GBASE-ER4 QSFP28 transceiver module for SMF, 1310nm wavelength, 40km reach with DOM support.

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Related technical guides

Primary references

Frequently asked questions

Compatibility depends on host coding, firmware, EEPROM profile, port rules and warranty policy. Test the exact module and platform combination.

BiDi uses two wavelengths over one fiber, while duplex optics use separate transmit and receive fibers. The remote end must use the matching wavelength pair.

Include part number, coding, wavelength, temperature, optical power, receiver sensitivity, alarms, error results and the host or test fixture used.

Send the project inputs for configuration review

Include endpoint models, interfaces, quantities, route or process constraints, required test documents and acceptance criteria.

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