Parallel communication manages communication processes together, making better use of resources. It involves cabling and dedicating wires for outgoing and incoming transmissions. Weak signals or damaged wires can cause crosstalk, but monitoring can isolate it. It is used for voice and data transfer, such as sending data to a printer.
Parallel communication is a process that is used to make more efficient use of resources by managing communication processes together instead of separately. This approach can often make it easier to manage communication channels involving relatively short distances in a way that makes better use of the resources supporting the communication effort. Originally developed as an efficient solution for one-way communication, parallel communication today allows both inbound and outbound high-speed communications between two points.
As a method that involves cabling to handle the process of sending and receiving different types of data, parallel communication typically dedicates some wires for outgoing transmissions and others for incoming transmissions. The wiring proximity is usually very close, with the collection of wires running parallel to each other. When the signal used for transmissions is strong, the end result is a high level of clarity in voice transmissions, as well as the rapid transfer of other data with no real delays. Since signal quality will decrease with distance, using this method to transfer any type of data is generally kept to a minimum.
At the same time, weak signals or damaged wires involved in the parallel communication process can sometimes lead to a phenomenon known as crosstalk, where a signal can spill over into a different wire and damage communication. Crosstalk is sometimes found in audio conference calls where this type of poor connection causes crosstalk between conferences. Fortunately, monitoring the lines or lines used for each call can normally isolate crosstalk on a single line, drop it from the conference, and then reconnect the participant using a different line, eliminating the problem.
Along with voice communications, parallel communication with data transfer also takes place. A common example involves sending data to a printer. When the process starts, the software that drives the communication between a hard drive and a printer helps transmit the data in a stable form recognized by the printer. If the communication is successful, the printer transmits what is sometimes referred to as a handshake, essentially signaling the hard drive that data reception is complete and successful. From there, the printer will proceed to print the submitted information. When this process works correctly, the parallel communication process is completed within seconds.
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