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Interface Specifications
Parallel interface
Interface type:
Data format:
Synchronization:
Handshaking:
Logic level:
Connector type:
Connector pin arrangement:
SCSI interface
Interface type:
Functions:
Logic level:
Bidirectional parallel interface
8-bit parallel
By external strobe pulse
By ACKNLG and BUSY signals
Input/output data and interface control
signals are TTL compatible
36-pin Centronics
18
36
ANSI X3.131-1986 standard
BUS FREE phase
ARBITRATION phase
SELECTION/RESELECTION phase
COMMAND phase
(Logical Unit number is fixed to 0 and
command link function is not supported.)
DATA phase
Data in phase
Data out phase
STATUS phase
MESSAGE phase
Message in phase
Message out phase
ATTENTION condition
RESET condition
TTL compatible
®
type connector
1
19
Appendix
A
A-7
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