| Terminal | Function | Wire Color (Standard) | Voltage Range | | :--- | :--- | :--- | :--- | | V+ | DC Input Positive | Red | 12V-48V DC | | V- | DC Input Negative | Black | 0V | | S+ | Signal Output Positive | Yellow | 5V TTL | | S- | Signal Output Negative | Blue | 0V | | GND | Earth Ground | Green/Yellow | N/A |