Why use rs485 to 232 converter in the application and maintenance of Internet of Things technology?

Applications need to be connected to data collection data, etc. If it is maintained, you need a computer to check whether the data is normal. There must be a connection between them to complete. Therefore, computers or devices are generally serial ports, and some 485 interfaces and some 232 interfaces are not unified. Then you need a converter, and communication can be realized by converting signals.