It is versatile and faster than RS232, and the greatest feature of this standard is that you can connect up to 32 devices on one system. In place of a connector, terminal strips were used in some applications. This technology offers several advantages over serial data transmission, including increased data throughput, reduced latency, and increased data security. Inside the computer, data bits flow in parallel (using many. Parallel data transmission is the transmission of data between different computers over a serial data bus. It doesn’t have a standard connector, so many times the old DB-9 connector is used. It converts the data from parallel to serial and changes the electrical representation of the data. Its maximum cable length is 1200 meters that are about 4000 feet. The specifications and configurations of RS485 make faster and extend the data transmission range. The RS485 is also a form of serial communication faster than RS232. Some of the disadvantages of RS232 are the speed of the data can be transferred around 20 kilobytes per second, and the maximum length of cable is about 50 feet. The RS232 protocol allows the system or computer to give commands to the printer via a voltage signal, then the printer receives the commands and completes the print. One common example that many people probably know that is a computer connected to a printer, the RS232 is widely used for printers in working places. The standard form of DCE is Data Communication Equipment, a common example of this is a modem. The standard form of DTE is Data Terminal Equipment, a common example of this is a computer.
It transmits signals from positive and negative voltages for binary 0 and binary 1. It is used for data storage, mouse, printers, modems, and many other peripheral devices.
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