A BREAK is defined as a "space" condition on an RS-232/V.24 line for some
number of milliseconds (typically about 125ms to 500ms). The normal
condition on the line is a "mark".
A space = logical 0 = positive voltage between +3 and +12V on RS-232/V.24
A mark = logical 1 = negative voltage between -3 and -12V on RS-232/V.24
A normal async character starts with:
a start bit (space)
7 or 8 data bits (marks or spaces)
an optional parity bit
1, 1.5 or 2 stop bits (mark)
The BREAK sequence starts of with a start bit (space), followed by a number
of spaces (all zeros) for an amount of time greater then the transmission of
a "normal" asynchronous character; therefore, the receiving side
knows/detects it as a BREAK condition requiring attention.
/// Chris Terwilliger
/// Motorola - iDEN Software Development
/// office: 954-723-5318
/// mobile: 954-325-0345
/// [EMAIL PROTECTED]
/// http://www.idendev.com
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