Xerox WORKCENTRE 7120 Reference Manual - Page 16

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Xerox WORKCENTRE 7120 Reference Manual
Table 8. Device Status Response for AIO
Bit
Position
Function
State
Meaning
0
Data Overrun
1
Data Overrrun occurred since previous order received by
card reader.
1-7
Reserved
0
These bi ts are currently zeros; however, they may be used
in future enhancements.
Table 9. Operational Status Byte
t
Function
State
Meaning
Incorrect Length
1
Incorrect length condition occurred since previous order was received
by card reader.
Transmission Data Error
1
Invalid EBCDIC punch encountered during automatic read operation,
data overrun occurred, and/or read verify error (Model 7140-02) occurred
since previous order received by card reader.
(Xerox 530 and
Sigma 2/3 indicate invalid EBCDIC punch by setting parity error
(E flag) in the odd channel register, not the transmission data error
(TE flag) in the even channel register.)
Channel End
1
Card reader terminated its operation for any reason listed under "Chan-
nel End Conditions".
Unusual End
1
Card reader terminated its operation for any abnormal condition listed
under IIUnusual End Conditions
ll
•
(Xerox 530 and Si gma 2/3 do not
signal "unusual end
ll
when an invalid EBCDIC punch is detected.)
tFor the bit positions of these functions in the Operational Status Byte, see the applicable Xerox Computer Reference
Manual.
10
Card Reader Status Response