1. Power Input: Minimum 2 input channels;

2. Power Output: Minimum 2 controllable output channels (output status can be switched on/off when powered on);

3. RJ45 Ports: Minimum 2 ports;

4. Control Signal Input: Minimum 1 RS485 input channel for connection to the teacher control console;

5. DC Output: Minimum 1 channel of adjustable DC output ranging from 0 to 30V with a maximum current of 2A;

6. AC Output: Minimum 1 channel of adjustable AC output ranging from 0 to 30V with a maximum current of 2A, output waveform: 50Hz square wave;

7. Voltage Accuracy: Output voltage accuracy of ±0.2V;

8. Adjustment Knob: Equipped with at least 1 liquid crystal adjustment knob for voltage regulation by rotation;

9. Outer diameter of the knob ≥49 mm; the center of the knob is fitted with at least 2 sets of 3-digit LED digital tubes to display real-time voltage and current values;

10. Remote Control Support: Remotely controllable via the teacher console to switch power output on/off, lock voltage, and toggle between AC and DC modes, with dedicated lock indicator light;

11. Short-circuit Protection: Built-in short-circuit protection circuit, equipped with reset button and fault indicator light. The device can be restarted via the reset button after the fault is cleared.