A negative-common type power supply is a power supply in which the common of the analog remote terminal is at the same potential as the negative of the output terminal. Therefore, the voltage of the analog remote control common and output monitor is similar to the negative polarity output of the power supply. In installing with positive ground, floating or isolation is necessary to use the product by floating the output.

Related FAQs:

• Q: What is the positive or negative common of an analog remote control?
• Q: What precautions should be taken for using the power supply with positive common type?