Honeywell 400 Series Hardware Manual page 92

I"
Data
Instn
The pro 0.
Timing
pction rejected.
Considerations
system.
the associated data in time to punch a card during each feed cycle.
seconds.
a previo
Synchro 'zation with the processing system is established through the Terminate signal.
Thus, a
The punc
it is not
ynchronized operation cannot start until after the first card is punched.
:h Operates asynchronously not only during punching of the first card, but whenever
punching cards at its maximum rate of 300 cards per minute. This occurs under
the following conditions: -
1.
When both the punch instruction and the data are received during the first feed
cycle, but not in time to allow card movement and punching to occur in response
to the next feed signal
2. When the punch instruction is received during the first feed cycle, but all data is not
received until the second feed cycle, and cards are not moved until the third feed
cycle
3. When the punch instruction is received during the first feed cycle, but all the data
is not received during the second feed cycle, nor during the third
the third
The fir
indicate
t two conditions are acceptable to the punch and it punches the data. However,
condition is not acceptable and, when it occurs, operation terminates and the punch
to the processing system that a Data Alert (Transfer Timing Alert) has occurred.
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