Touch products such as cash registers, monitors, etc. require different interface types to connect a variety of accessories in actual use. Before selecting equipment, in order to ensure the compatibility of product connections, it is necessary to understand various interface types and application environments.

The LAN interface is mainly used to connect with the local area network. There are many types of local area network interfaces owing to various types of local area networks, and the RJ45 interface is the most commonly used interface for Ethernet. You can use the LAN interface to connect notebooks, desktops, printers, etc. together to configure your own local area equipment.

The COM port is a communication port, which can be used to connect various external devices to realize point-to-point communication control. At present, the most common COM interfaces are RS-232, RS-485 and RS-422. The COM interface of the industrial machine is mainly used in POS, cash registers, medical equipment, industrial printers, access control systems, sensors, scanners, etc.

VGA (Video Graphics Array) has the advantages of high resolution, fast display rate, and rich colors. The VGA interface has a total of 15 pins and is divided into 3 rows with 5 holes in each row. The video signal is decomposed into R, G, B three primary colors and HV line signal for transmission. It is the most widely used interface type on graphics cards. In touch products, it is usually used to connect the monitor or customer display.

The USB interface (Universal Serial Bus) may be one of the interfaces you are most familiar with. It is widely used in information communication products such as personal computers and mobile devices and extends to photographic equipment, digital TV (set-top boxes), game consoles, etc. other related fields. Whether it’s a printer, scanner, or a variety of other peripherals, they can all be connected quickly and easily via the USB interface.

IN refers to the input jack, and generally refers to the type of interface such as power input, audio input, etc. For example, MIC IN refers to the microphone input. Corresponding to it is the output interface, OUT, which is used to connect headphones, audio, and so on.

In response to different user needs and changing market applications, TouchDisplays provides customized solutions for touch products. With complete production strength and ODM and OEM manufacturing experience, we continue to provide customizable POS all-in-one products, open-frame touch all-in-one machines, open-frame touch monitors, and intelligent electronic whiteboards for customers in different industries around the world.

In China, for the world

As a producer with extensive industry experience, TouchDisplays develops comprehensive touch screen solutions. Established in 2009, TouchDisplays expands its worldwide business in manufacturing Touch All-in-one POS, Interactive Digital Signage, Touch Monitor, and Interactive Electronic Whiteboard.

With the professional R&D team, the company is devoted to offering and improving the satisfying ODM and OEM solutions, providing first-class brand and product customization services. 

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