Drimit Link Open Standard

2 Hub External Host Connectivity Requirements

1 USB-C Device Interface to Host (Required)

  - USB 3.2 Gen 2 (10 Gbps) Support Requirements
  - USB-C Alternate Mode Support (DisplayPort, etc.)
  - USB Device Class Implementation (HID, MIDI, Audio)
  - Cable Detection and Orientation Handling

Schematic Required: USB-C interface circuit with mode detection

2 Wireless Module Integration (Optional) and Multi-Protocol Support

  - Wi-Fi Module Interface and Cloud Connectivity
    - Wi-Fi Standards Support (802.11 b/g/n/ac/ax compatibility)
    - Interface Options (SDIO, PCIe, USB selection criteria)
    - Enterprise Network Integration (WPA3-Enterprise, certificate auth)
    - Mesh Networking Capabilities (Multi-hub coordination)
    - Cloud Protocol Stack Integration (HTTPS, WebSocket, MQTT)
  - Bluetooth Module Interface and Mobile Connectivity
    - Bluetooth Standards Support (Classic, BLE 5.x)
    - Interface Selection (UART, USB, SDIO trade-offs)
    - Profile Implementation (HID, MIDI, Audio profiles)
    - Multi-Device Connection Management
    - Low Energy Optimization for Battery Operation
  - Antenna Placement and RF Design Considerations
    - MIMO Antenna Configuration (2×2, diversity)
    - Antenna Isolation and Co-Location (Wi-Fi + Bluetooth)
    - Metallic Enclosure Impact and Mitigation
    - Ground Plane Design and RF Performance
    - SAR Compliance and Human Exposure Limits
  - Regulatory Compliance and Certification Requirements
    - Regional Certifications (FCC, IC, CE, MIC, ACMA)
    - Modular Certification Strategies (Pre-certified modules)
    - Host Product Certification Requirements
    - Antenna Integration and Testing Requirements
    - Spurious Emissions and Harmonic Compliance

Layout Required: Antenna placement and RF keep-out zones

Certification Guide Required: Regulatory compliance checklist by region

3 Ethernet Interface (Optional) and Enterprise Integration

  - PHY Chip Selection and Integration (10/100/1000 Mbps)
    - Integrated MAC+PHY vs Separate Implementation
    - Auto-Negotiation and Speed Selection
    - Energy Efficient Ethernet (EEE) Support
    - Wake-on-LAN and Remote Management
  - Magnetics and Connector Specifications (RJ45)
    - Transformer Selection and Integration
    - Common Mode Choke Requirements
    - Connector Selection and PCB Layout
    - Link/Activity LED Integration
  - EMI/EMC Compliance and Shielding Requirements
    - Differential Signaling and Ground Plane Design
    - Cable Shield Termination and Grounding
    - Ferrite Bead Selection and Placement
    - PCB Layer Stack-up for Signal Integrity
  - Power over Ethernet (PoE) Considerations
    - PoE Standards Support (802.3af/at/bt)
    - PD Controller Integration and Safety
    - Power Negotiation and Classification
    - Thermal Management for PoE Operation
  - Enterprise Network Integration Features
    - VLAN Support and Network Segmentation
    - Quality of Service (QoS) and Traffic Prioritization
    - Network Discovery and Service Advertisement
    - SNMP Management and Monitoring
    - Network Time Protocol (NTP) for Synchronization

Schematic Required: Ethernet PHY circuit with magnetics

Network Architecture Diagram Required: Enterprise integration scenarios