DTE and DCEĭTE stands for Data Terminal Equipment. RS-232C, EIA RS-232, or simply RS-232, refers to the same standard defined by the Electronic Industries Association in 1969 for serial communication. Step 1: Understand RS232 Connection & Signals If you have a chance to test your RS232 devices with the 232Analyzer software, you should be able to control your RS232 devices in a short period of time. This article will explain the following topics in details:ġ) Step 1: Understand RS232 Connection and Signalsģ) Step 3: Control your RS232 devices by using 232AnalyzerĪfter reading this page, you should be able to understand most of the hardware and software (protocol) standards for RS232.