When it comes to USRIOT serial device server, it is necessary to talk about two keywords - serial port and network.
As we all know, the network can be divided into two types: internal network and external network. The internal network generally refers to Ethernet, and the external network refers to the Internet, which is also an effective means of communication on a global scale.
However, before the network has been popularized on a large scale, the connection between the device and the computer is mostly realized by a simple RS232 serial cable. Even in remote scenes, RS485 (up to 1000 meters) can be used for data transmission.
With the development of technology and the continuous improvement of demand in the later period, people have put forward more diverse requirements for the connection mode of equipment. So, the serial device server comes into being.
First, some application scenarios require remote monitoring of devices that are widely distributed around the world.
Second, in applications such as computer room monitoring, ATM self-service systems, and office building automation systems, people can fully utilize these existing networking facilities to achieve the device communication needs due to the complete network cabling of system itself.
Finally, for the RS232 interface, a serial port of PC can usually only be connected to one serial device; then if multiple devices are needed to be connected at the same time, the original solution is too single.
For the above reasons, considering that there are already thousands of existing serial devices, it is obviously unrealistic to transform these amazing numbers of devices at a glance. Then, this problem is perfectly solved by the serial port networking server that converts the serial port into a network port.
Serial device server internally integrates protocols including ARP, IP, TCP, HTTP, ICMP, SOCK5, UDP, DNS, HCP, etc., and provides automatic data control functions by means of RS-485/422 conversion. RS-232/422/485 three-in-one serial interface supports dynamic IP (DHCP) and static IP, gateway and proxy server, and can transmit data through the Internet. The serial device server provides two-way transparent transmission of data, and the user does not need to make any modifications for the original system.