Slide 1 of 5
Slide 1 - PoE Switch V2 Software System Diagram
PoE Switch V2 Software System Diagram
Architectural Overview for PoE Switch V2 Design Review
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Photo by Tom Parkes on Unsplash
PoE Switch V2 Software Architecture Overview
Generated from prompt:
Create a concise professional presentation titled 'PoE Switch V2 Software System Diagram' based on the uploaded documents. Use the System_Architecture.pdf as the primary source for the software architecture and use the Network_Switch V13_WIP.pdf hardware diagrams to ground the software interfaces. Include 3 slides: 1) Executive overview of system responsibilities and layered architecture; 2) Main software system diagram showing Application Layer, System Services Layer, HAL/Device Drivers, RTOS/Network Stack, and key external/hardware interfaces such as STM32H7 MCU, Ethernet switch IC, PHYs, PoE controllers, clock/timing devices, NVM, Site Server, downstream Anchors, upstream SyncE/PTP sources; 3) Runtime task model and key design principles. Diagram should clearly show data/control/timing interactions and emphasize SyncE/PTP, clock selection between local OCXO and recovered upstream SyncE, power sequencing, diagnostics, and cascading switch support. Keep it visually clean, architectural, and suitable for design review.
This presentation provides an architectural overview of the PoE Switch V2 software system, including executive summary, layered architecture (Application, System Services, HAL, RTOS), runtime task model, design principles for synchronization, PoE管理,
April 2, 20265 slides
Slide 2 of 5
Slide 2 - Executive Overview: System & Layered Architecture
- System Goal: Reliable, high-precision PoE switching with integrated synchronization for industrial/infrastructure applications.
- Core Responsibilities: Ethernet switching, PoE power management, PTP/SyncE clock distribution, and diagnostic reporting.
- Layered Architecture: Separation of concerns across Application, System Services, HAL, and RTOS/Network stack.
- Interface Foundation: Leveraging STM32H7 MCU, Ethernet switch ICs, and specialized hardware for robust control and timing.
Slide 3 of 5
Slide 3 - Software System & Interface Architecture
- Application Layer: High-level control, Web/CLI interface, Diagnostics.
- System Services Layer: PTP/SyncE Stack, PoE Controller, Management logic.
- HAL & Drivers: Driver interfaces for STM32H7, PHYs, Switch IC, NVM.
- Hardware Layer: MCU, Switch IC, Power Sequencers, Clock (OCXO), Site Server.
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Photo by Luke Chesser on Unsplash
Slide 4 of 5
Slide 4 - Runtime Task Model & Design Principles
- Task Model: Prioritized tasks for real-time control (SyncE/PTP), foreground management, and background health monitoring.
- Design Principles: Modular HAL, robust error recovery, and seamless cascading switch integration.
- Timing Control: Intelligent clock selection logic (Local OCXO vs. Recovered SyncE) for precision synchronization.
- Diagnostics & Sequencing: Comprehensive power-up sequencing with integrated diagnostic telemetry to downstream anchors and upstream sources.
Slide 5 of 5
Slide 5 - Conclusion
Thank you for reviewing the PoE Switch V2 System Architecture.
PoE Switch V2 Software System Design Review
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Photo by Tom Parkes on Unsplash
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