Honeywell 400 Series Hardware Manual page 27

Attention
Instruction Rejected
INSTRUCTION TERMINATION. If the card punch successfully executes the punch instruction
just received (that is, if no errors or inoperable conditions have occurred), one of the
following major status conditions is signaled when the Terminate signal is transmitted:
Channel Ready
Intermediate
If a data error or inoperable condition did occur after the card punch accepted an instruction
and began executing it, the status reflected will be one of the following:
Data Alert
Attention
When a data error occurs, the Data Alert major status'and the appropriate substatus are sent
at the time the Terminate signal is transmitted.
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