RS-485 is very similar to RS-422 where it is balanced pair communications in order to archive high bit rates over long distances with minimal or no noise introduced into the data. We reserve the right to change prices without notice. Consequently, it is necessary to make a parallel-to-serial conversion at a computer interface when sending data from a computer system into a network and a serial-to-parallel conversion at a computer interface when receiving information from a network.Ī complete list of our policies can be viewed on our policy page. We are not responsible for errors relating to any product or prices listed herein and in no way offer to make restitution for any such errors. Data between computer systems is usually transmitted in bit serial mode. Data within a computer system is transmitted via parallel mode on buses with the width of the parallel bus matched to the word size of the computer system. Serial and Parallel Transmission Digital data transmission can occur in two basic modes: serial or parallel.
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