Parallel transmission

In telecommunication, the term parallel transmission has the following meanings:

1. The simultaneous transmission of the signal elements of a character or other data item[?].

2. In digital communications, the simultaneous transmission of related signal elements over two or more separate paths.

Note: Protocols for parallel transmission, such as those used for computer ports, have been standardized by ANSI. Source: from Federal Standard 1037C and from MIL-STD-188