The data link escape character (DLE) was intended to be a signal to the other end of a data link that the following character is a control character such as STX or ETX. For example a packet may be structured in the following way (DLE) <STX> <PAYLOAD> (DLE) <ETX>.
The data link escape character (DLE) was intended to be a signal to the other end of a data link that the following character is a control character such as STX or ETX For example a packet may be structured in the following way (DLE) <STX> <PAYLOAD> (DLE) <ETX>.