Data Transmission
Purpose:
The purpose of this report is to describe some common data transmission terminology.
Scope of Work:
This paper will discuss various data transmission (communication) protocols and how they are used in data communication.
Synchronous and Asynchronous:
Asynchronous serial transmission is a technique used in serial RS232 communication. The data is framed by a series of control bits known as the start bit, stop bit(s), parity bits and error checking bits. A transmit clock signal is used to clock the data over the transmission line to the receiving end. At the receiver, a clock signal, known as the receive clock, which corresponds to the transmit clock is used to decode the transmitted data back to the original by stripping off the control bits.
Synchronous transmission sends data packets, in contrast to Asynchronous transmission, which sends data one bit at a time. The data is surrounded by start and end frames. The start frame tells the receiver to......
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Approximate Word Count: 1180
Approximate Pages: 5 (260 words per double-spaced page) |