Can Huijue switches use optical modules
Use Huawei-certified optical modules that match the switch port type, speed, and fiber type to ensure reliable operation.
Certification and Compatibility
Huawei switches require optical or copper modules that are certified by Huawei. Non-certified modules may cause transmission issues, service instability, and are not supported by Huawei technical support . Certified modules typically have the HUAWEI label, and their details can be verified using commands like display transceiver or display version on the switch . Modules delivered after July 1, 2013, are generally certified if they meet these criteria.
Module Types and Speed
- SFP (Small Form-factor Pluggable): Common for 1G connections.
- SFP+: Supports 10G connections.
- QSFP/QSFP28: Used for 40G or 100G uplinks . It is important to match the module speed to the port speed. For example, do not use a 10G SFP+ module on a 1G interface, as this will prevent the port from functioning .
Fiber Type Considerations
- Single-mode fiber (SMF): Typically used for long-distance connections (up to 10 km or more). Use LR (Long Reach) modules.
- Multi-mode fiber (MMF): Used for short-distance connections (≤ 300–400 m). Use SR (Short Reach) modules . Do not mix single-mode and multi-mode fibers or modules, as this can cause connectivity issues .
Practical Tips
- Check optical power and wavelength: Use
display transceiver interface xgigabitethernet 0/0/x verboseto verify the module's received and transmitted power levels . - Perform loopback tests: Connect the fiber jumper to the same module to check for abnormal conditions .
- Hot-swapping: Most Huawei modules support hot-swapping, allowing replacement without shutting down the switch .
- Future-proofing: For SMBs or data centers, consider 10G SFP+ LR or 100G QSFP28 LR4 modules depending on your upgrade path .
Recommended Approach
Always use Huawei-certified modules or fully tested third-party modules verified for Huawei switches. This ensures network stability, proper recognition by the switch, and warranty support . For specific switch models like S5700 or S5720 series, refer to the model-specific optical module guides to select compatible modules .
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