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QUADRAVISTA INSTALLATION AND OPERATIONS MANUAL 45
Whitespace: TAB, SPACE, CR
Whitespace characters are TAB (0x09), Space (0x20) and Carriage Return (0x0D).
Whitespace may occur anywhere between two tags, except at the start of a line and inside
simple elements
Whitespace is ignored.
Line length: maximum 38 characters
The line length may not exceed 38 characters.
(Not including the terminating LF.)
Timeout: 750 ms
Timeout for DCP messages is 750 milliseconds.
DCP messages containing errors are not regarded as completed until the timeout period
has elapsed.
Therefore, it is recommended to wait for this time between DCP messages to allow the
parser to handle possible errors.
Correct messages are processed immediately upon completion.
Unknown elements
Unknown tags in a DCP message are ignored for the sake of upwards compatibility of the
protocol.
Messages containing unknown elements must still be syntactically correct.
Unknown tags may not be nested deeper than 5 levels.
Empty elements
An empty element is an opening tag immediately followed by a closing tag.
((tag)) may be abbreviated as ((tag))