We often use Asynchronous transmission (Communication) regularly. This post discuss its characteristics, data flow process, advantages and disadvantages including its difference compared to Synchronous transmission. As the name suggests, Asynchronous transmission is a Data transmission process in which data signals can be sent and received intermittently. It is a physical layer data communication method which […]
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Measuring Instruments
Measuring instruments may be defined as device for determining the value or magnitude of quantity or variable. Measurement generally involves using instruments as physical means of determining a quantity or variable. These instruments serve as an extension of human faculties and enables the man to determine the value of an unknown quantity, which his unaided […]
RS 232 Signals
RS 232 stands for Recommended standard number 232. This interface is an age old, and yet it is being used for interconnecting DTE and DCE. It is also one of the maximum used standards for data exchange. The simplicity of configuration and huge capability has rendered this standard a very successful run in the interface […]
DB 9 Loopback
The RS232 connector was initially developed to use 25 pins. In this DB25 connector pin configuration, provisions were provided for a secondary serial RS232 communication channel. However, practically only one serial communication channel with handshaking is present. There were hardly a few computers manufactured in which provision for both RS232 channels were available. For example […]