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Vietnam FOB Active Optical Module LPO

Fiber optic splice closure knowledge brief Published 21 Sep 2020

Prepared for preliminary research by the RIVO OPTICAL knowledge desk. Confirm cable count, splice capacity, sealing class, tray layout, protection sleeves and installation requirements against current standards and product documentation.

Linear Pluggable Optics (LPO) modules are high-performance, low-latency optical transceivers deployed in Vietnam to enhance telecom network speed, efficiency, and scalability.Overview of LPO Technology

Linear Pluggable Optics (LPO) are optical transceiver modules designed to remove the digital signal processor (DSP) from the module, replacing it with high-linearity analog components such as transimpedance amplifiers (TIA), driver chips, lasers, and photodiodes. The host device, such as a switch or NIC, handles the digital signal processing tasks that would normally occur inside the module. This architecture results in lower power consumption, reduced latency, and simpler module design compared to traditional DSP-based optics, making LPO ideal for modern data centers and high-speed networks .

Advantages of LPO Modules
  • Power Efficiency: By eliminating the DSP, LPO modules consume significantly less power, which is critical for large-scale deployments in data centers and backbone networks .
  • Low Latency: Signal processing is shifted to the host ASIC, reducing the delay introduced by in-module DSP processing .
  • Pluggable Flexibility: LPO retains a standard pluggable form factor, allowing hot swapping, easy servicing, and interoperability across network equipment .
  • Optimized for Short to Medium Distances: LPO modules are best suited for high-quality links where signal integrity is maintained, though they may have limitations in long-haul transmission due to reduced DSP compensation .
Deployment in Vietnam

Vietnam Telecom (Viettel) has adopted LPO modules through a partnership with LINK-PP, a global supplier of optical transceivers. This collaboration addresses Vietnam's growing demand for high-speed internet, 5G networks, and cloud services by upgrading core network capacity and modernizing data centers . Key deployment benefits include:

  • Upgrading Core Network Speeds: Transitioning from 10G/40G links to 100G and 400G to handle exponential traffic growth.
  • Data Center Modernization: Supporting virtualization, cloud migration, and high-density server deployments.
  • Enhanced Network Resilience: Minimizing downtime and ensuring reliable service for millions of users.
  • Cost and Energy Optimization: LPO modules reduce operational costs and energy consumption while maintaining high performance .
Considerations

While LPO modules offer power and latency advantages, they rely heavily on the SerDes capabilities of the host switch ASIC for signal integrity. This makes them more suitable for short-distance, high-quality links rather than long-haul deployments. Careful planning, training, and network design are essential to maximize the benefits of LPO in Vietnam's telecom infrastructure .

Conclusion

Vietnam's adoption of FOB LPO modules represents a strategic move to enhance network speed, efficiency, and scalability. By leveraging LINK-PP's high-quality optical transceivers, Vietnam Telecom can meet the demands of next-generation networks while optimizing energy use and operational costs, positioning the country at the forefront of Southeast Asia's digital transformation .

Vietnam FOB Active Optical Module LPO - RIVO MULTITRADE OPTICAL SYSTEMS [PDF]

Vietnam FOB Active Optical Module LPO

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Technical note

This reference is intended for preliminary fiber optic splice closure research. Compatibility, splice capacity, sealing class, tray layout, protection sleeves, installation methods, test limits and applicable standards must be verified for the specific project.

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