求翻译：6、使用PC串口控制，轻松实现多路灯光、电源、音频或视频开关、门禁开关、电磁阀、汽缸等数字量信号的实时状态监测和控制！是什么意思？

6, using a PC serial port control, easy multi-channel lighting, power, audio or video switches, access switches, solenoid valves, cylinders and other digital signals in real-time condition monitoring and control!

6, use PC serial control, easy to find many road lighting, power supply, audio or video switch, door control switch, solenoid valves, cylinder volume figures such as real-time status of signal monitoring and control!

6th, uses the PC serial port to control, relaxed digital quantity signal and so on realization multi-channel lights, power source, audio frequency or video frequency switch, entrance guard switch, solenoid valve, cylinder real-time condition monitors and control!

6, using PC serial port control, easy to achieve multiple lights, power supplies, audio and video switching, access control switches, magnetic valves, cylinders and other digital signals of real-time condition monitoring and control!

6, using a PC serial port control, easy multi-channel lighting, power, audio or video switches, access switches, solenoid valves, cylinders and other digital signals in real-time condition monitoring and control!