What is the OTG line? How to use the OTG line?

OTG is the abbreviation for On The Go, the data transmission protocol of the computer peripheral equipment between the data exchange and the development of. Most of the current mobile devices are equipped with support for OTG function, can be connected to some previously only with PC using small power equipment through this function. The OTG line is the end of the micro USB interface for mobile phone, tablet and other use, the other end is connected with the standard USB female head, low power USB interface equipment for. For example, we can use the OTG data line through the mobile phone with OTG function to read U disk file, or an external USB camera, but also through the OTG power supply to the other equipment.

USB OTG standard is fully compatible with USB2.0 but some different from USB2.0, it increases the power management features, more out of the past must be taking PC as the data transmission mode of the host computer, data communication can be performed in any equipment room. Through the micro USB interface connecting device, the other end with another device to access the OTG line of standard USB mother mouth, can carry out the data transmission between the two devices. For example, can be directly connected with the printing digital camera photo printer, or a mobile phone panel through a OTG data line directly connect the printer to print tables, pictures, also can be connected to the U disk read data. Some mobile devices, can be connected and the operation of remote control device through the OTG technology, realize the function of intelligent Home Furnishing control appliance.

There are some people in the use of OTG line is connected with the mobile phone found no effect, this is because not all of the mobile phone support OTG function, without OTG function module of the mobile phone, data transmission can't use a OTG line. Think of your mobile phone support OTG? You can query its own mobile phone models on the Internet, you can look to their own mobile phone support OTG. At present the new mobile phone will support OTG, like millet and rice after 2 models, the cool united support OTG. ForOTG this emerging market, mobile device manufacturers will all participate.