It appears you are referring to the **NETBTSWH**, which is a specific model number associated with a **Low Voltage / Ethernet Non-Power-Stealing Switch** (often used in lighting control systems like those by Acuity Brands/nLight). These devices act as a bridge between low-voltage wall switches and building management networks. --- ### ## Core Electronic Components The device consists of several key layers of electronics designed to manage data and low-voltage power distribution. | Component Category | Specific Part/Function | Description | | :--- | :--- | :--- | | **Microcontroller (MCU)** | Logic Engine | The "brain" that processes button presses and translates them into digital signals (e.g., nLight protocol). | | **Communication Port** | RJ-45 Connectors | Standard Ethernet-style ports used for "Plug-and-Play" connectivity using Cat5e cables. | | **Switching Interface** | Tactile Switches | Mechanical buttons behind the faceplate that trigger the electronic signal. | | **Status Indicators** | LED Diodes | Small Surface Mount (SMD) LEDs that indicate network activity or programming status. | | **Power Regulation** | Voltage Regulators | Converts the low-voltage DC power received from the bus into the specific voltage required by the MCU. | --- ### ### Technical Specifications Below is a breakdown of the electronic operating parameters typically found in this hardware: 1. **Input Power:** Typically 15-24VDC (supplied via the network bus/Cat5e). 2. **Protocol:** Uses a proprietary bus protocol (like nLight) to communicate with power packs and sensors. 3. **Circuit Protection:** Built-in ESD (Electrostatic Discharge) protection to prevent the internal electronics from frying during installation or dry weather. --- ### ### Functional Circuitry Design * **Non-Power-Stealing:** Unlike some smart switches that "steal" power from the load line, this electronic assembly is powered entirely by the low-voltage communication bus. This ensures the electronics remain isolated from high-voltage AC lines. * **Bus Communication:** The electronics utilize a **Daisy-Chain** topology. The RJ-45 ports are wired in parallel internally to allow data to pass through the device to the next unit in the sequence. ---