The **M2CEC-11003-R2** is a high-performance **Carrier Board** designed specifically for **NVIDIA Jetson AGX Orin™** modules. It is engineered for industrial and edge AI applications that require significant processing power and multiple high-speed I/O interfaces. --- ### 1. Key Technical Specifications | Feature | Specification | | :--- | :--- | | **Module Support** | NVIDIA Jetson AGX Orin™ 32GB / 64GB | | **Storage** | 1x M.2 Key M (2280) NVMe PCIe x4 | | **Networking** | 2x 10GbE (RJ45), 1x 1GbE (RJ45) | | **USB Ports** | 2x USB 3.2 Gen 2 Type-A, 1x USB 2.0 Micro-B (Recovery) | | **Display** | 1x HDMI 2.1 | | **Expansion Slots** | 1x M.2 Key E (2230) for Wi-Fi/BT, 1x M.2 Key B (3042/3052) for 4G/5G | | **Power Input** | 9V to 36V DC | --- ### 2. Electronic Component Breakdown #### A. Power Management System The board features a wide-input voltage range (9V-36V), making it suitable for automotive and industrial power rails. It includes: - **DC-DC Converters:** High-efficiency buck regulators to step down voltage for the Orin module (which typically requires a stable 12V-20V internal rail). - **Protection Circuitry:** TVS diodes for surge protection and OCP (Over-Current Protection) circuits to safeguard the expensive Jetson module. #### B. High-Speed Connectivity - **10GbE Controllers:** Unlike standard carrier boards, this model integrates dual 10-Gigabit Ethernet ports. This requires high-performance PHY (Physical Layer) chips and magnetics capable of handling massive data throughput for high-res IP cameras. - **PCIe Switching:** The board utilizes the Orin's PCIe lanes to distribute bandwidth between the M.2 NVMe storage and the expansion slots (Key E and Key B). #### C. Interface Signal Integrity - **HDMI 2.1 Buffer:** Ensures signal stability for high-resolution 8K displays. - **USB 3.2 Gen 2 Redrivers:** To maintain signal integrity over the traces from the Orin module to the physical Type-A ports, ensuring 10Gbps speeds. --- ### 3. Physical Layout & Headers The "R2" designation often implies a second revision with optimized thermal routing or updated component footprints. - **Serial Ports:** Supports RS-232/422/485 for industrial PLC communication. - **GPIO Header:** 40-pin header (compatible with Raspberry Pi style pinouts) for PWM, I2C, and SPI. - **CAN Bus:** Dual CAN FD interfaces for automotive communication protocols. ---