Power over Ethernet Architecture Analysis for Industrial Routers and IoT Devices — Wavetel IoT Technical White Paper — Table of Contents PoE Technology Overview: Why Industrial Sites Increasingly Depend on PoE What is PD / PoE IN (Powered Device) 2.1 Concept Explanation 2.2 Common PD Devices 2.3 Value of Industrial Routers as PD What is PSE / PoE OUT (Power Sourcing Equipment) 3.1 Concept Explanation 3.2 Common PSE Devices 3.3 Significance of Industrial Router PoE OUT Support

Table of Contents Necessity of Industrial Router Certification General Certifications: The Industrial Router's "Foundational Firewall" 2.1 Certification Comparison Table: General Certifications Quick Overview (Including Typical Cycle) EMC Electromagnetic Compatibility Certification Safety Certification Environmental and Reliability Testing Ingress Protection (IP) Certification Lightning and Surge Protection Industry-Specific Certifications: The "Customized Shield" for High-Ri

Table of Contents Why Chip Architecture Matters for Industrial Routers Chip Architecture Selection by Application Scenario 2.1 Low-Cost IoT and Edge Access 2.2 General Industrial Routing and 5G/Edge Computing 2.3 High-Performance Enterprise and Virtualization Scenarios 2.4 AI-Driven and Intelligent Analytics 2.5 High-Flexibility and Customized Scenarios Application-Oriented Comparison Table Classic Architectures: The Foundation of Industrial Routers 4.1 MIPS 4.2 ARM 4.3 x86 E

Table of Contents Uplink Fundamentals: Definition, History, and Core Role Fiber: The High-Speed Wired Champion Microwave: The Flexible Wireless Bridge Satellite: The Global "Space Courier" Cellular (4G/5G): The Versatile "Hive Empire" 5.1 4G/5G Sub-Variants: From Low-Power to Ultra-High-Speed 5.2 Specialized Frequency Bands: The "Spectrum Key" for Custom Scenarios Technology Comparison: A Multi-Dimensional Overview Hybrid Deployment and Risk Assessment Conclusion: Choose You

Table of Contents The Role of Sensors in Industrial IoT PLCs: The Core Brain of Industrial Automation 2.1 Definition and Functions of PLCs 2.2 Comparison of Leading PLC Manufacturers Modbus Protocol Modbus Gateway vs. Modbus Router: Differences and Functions 4.1 Definitions of Modbus Gateway and Modbus Router 4.2 Functional Comparison 4.3 Why Modbus Gateways/Routers Are Essential Advantages of Wavetel IoT Modbus Gateway/Router Solutions 5.1 Advantages 5.2 Wavetel IoT Modbus G

Table of Contents Definition and Importance of Industrial IoT Definition of Industrial IoT Why Use Industrial IoT Comparison of Major IoT Module Manufacturers: Models, Solutions, and Market Trends Manufacturer Trends and News Quectel Fibocom Meig SIMCOM Neoway Sequans Telit U-blox Industrial Communication Protocols and Application Scenarios Industrial Communication Protocols Application Scenarios Industrial Network Elements: Components, Roles, and Scenarios Industrial...