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Huawei Non-Removable Optical Module

ODN and passive infrastructure knowledge brief Published 22 May 2024

Prepared for preliminary research by the GESTIONVAL ODN knowledge desk. Confirm network topology, split ratio, box or cabinet capacity, joint closure rating and loss budget against current standards and product documentation.

Non-removable Huawei optical modules are built-in components that cannot be replaced, unlike pluggable optical modules, and require certified modules for reliable operation.Key Characteristics

Huawei non-removable optical modules are integrated into the device and cannot be physically replaced by the user . Only external, pluggable optical modules can be swapped without powering down the device. Non-removable modules are designed to ensure stable transmission and service reliability, and using non-certified or third-party modules may trigger alarms or affect network performance .

Replacement and Maintenance

Since non-removable modules cannot be replaced, maintenance focuses on monitoring performance and ensuring proper operation. For pluggable modules, Huawei recommends:

  • Using Huawei-certified optical modules to maintain transmission reliability .
  • Taking ESD protection measures when handling modules, including wearing wrist straps or gloves .
  • Ensuring the new module matches the center wavelength and standards of the original module .
  • Carefully handling optical fibers to avoid damage to connectors and modules .
Operational Considerations

Non-removable modules are typically hot-swappable in pluggable form factors, but built-in modules remain fixed. Huawei devices perform authentication on inserted modules, and non-certified modules may generate alarms in port logs . Commands are available on some switches to suppress alarms for third-party modules, but using uncertified modules is not recommended for production networks .

Example of Huawei Optical Module

The Huawei OSN010N24 100G QSFP28 LC 10km optical transceiver is an example of a high-performance pluggable module. It supports 100Gbps over single-mode fiber, operates at 1310nm wavelength, and complies with IEEE 802.3ba 100GBASE-LR4 standards. It features hot-pluggable QSFP28 form factor, LC duplex interface, and Digital Diagnostic Monitoring (DDM) for real-time tracking of optical power, temperature, voltage, and bias current .

Recommendations
  • Always use Huawei-certified modules to ensure network stability and avoid service interruptions .
  • For non-removable modules, focus on monitoring and diagnostics rather than replacement.
  • Avoid using non-certified or third-party modules in critical environments, as they may affect service reliability and generate alarms .
  • For purchasing, genuine Huawei optical modules and cables are available from authorized distributors .

Huawei Non-Removable Optical Module - GESTIONVAL ODN INFRASTRUCTURE S.L. [PDF]

Huawei Non-Removable Optical Module

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Technical note

This reference is intended for preliminary ODN and passive infrastructure research. Topology, split ratio, box or cabinet capacity, closure rating, cable type, test limits and applicable standards must be verified for the specific project.

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