FAQs About Optical Modules
For details about the optical modules supported by optical ports on switches, see "Appearance and Structure" of a specific switch
What are the versions of Huawei optical modules
Huawei optical modules come in multiple versions and types, including SFP, SFP+, eSFP, XFP, SFP28, QSFP+, QSFP28, and CFP, each supporting different transmission rates and features.
Common Huawei Optical Module Types and Versions
Huawei optical modules are designed for various transmission rates and network requirements :
- SFP (Small Form-factor Pluggable): Supports FE and GE rates, uses LC fiber connectors.
- eSFP (Enhanced SFP): Similar to SFP but supports monitoring of voltage, temperature, bias current, transmit and receive optical power.
- SFP+: High-speed SFP supporting 10GE transmission.
- SFP28: Same interface as SFP+, supports 25GE.
- XFP: 10 Gigabit module, larger than SFP+, supports LC connectors.
- QSFP+: Quad SFP, supports 40GE, uses MPO connectors.
- QSFP28: Supports 100GE or 40GE, same interface size as QSFP+.
- CFP: Centum form-factor pluggable, used for high-speed data communication, dimensions 144.75 mm x 82 mm x 13.6 mm.
Checking Optical Module Version on Huawei Devices
To view the version and status of an optical module on Huawei switches, you can use the following commands :
- Display module information:
display transceiver [ interface interface-type interface-number | slot slot-id ] [ verbose ]This command shows module type, vendor, serial number, and version information. - Diagnostic information:
display transceiver diagnosis interface [ interface-type interface-number ]Provides digital diagnostic monitoring (DMM) data, including temperature, voltage, current, transmit and receive optical power. - Interface overview:
display interface briefLists all interfaces and helps identify which module is installed on each port.
Huawei-Certified Modules
Huawei recommends using Huawei-certified optical modules to ensure compatibility, reliability, and proper operation . Non-certified modules may cause installation issues, abnormal data bus behavior, or damage to the interface due to nonstandard sizes or connectors.
Summary
Huawei optical modules vary by form factor, transmission rate, and monitoring capabilities. To determine the exact version installed, use the display transceiver commands on the switch. Always prefer Huawei-certified modules to maintain network stability and avoid hardware issues .
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