1. A data communication system comprising:
a random digital sequence generator capable of selectively issuing a series of digital 1 and 0 bits in a random sequence;
and
an activate circuit coupled to an output of the sequence generator and which responds to receipt of a pre-set sequence of
digital bits from the sequence generator by initiating a self-test operation by which the data communication system dynamically
adjusts, on a random basis, a time period in which data windows are present within transmitting data signals, wherein the
pre-set sequence indicates transmission of test data and addition of jitter to the system to perform the self-test operation.
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