..........................................................................................................................................................4-18
4.4.1 RESERVE UNIT command............................................................................................................................4-19
4.4.2 RELEASE UNIT command............................................................................................................................4-21
4.4.3 INQUIRY command ......................................................................................................................................4-22
4.4.4 REQUEST SENSE command.........................................................................................................................4-26
4.4.5 SEND DIAGNOSTIC command ....................................................................................................................4-29
4.4.5.2 Contents of self-test..................................................................................................................................................4-31
4.4.5.3 Results of self-test....................................................................................................................................................4-31
4.4.6 TEST UNIT READY command ......................................................................................................................4-31
4.4.6.2 Acknowledgment......................................................................................................................................................4-32
4.4.7 SET WINDOW command ..............................................................................................................................4-33
4.4.7.4.2 Paper size: byte 35 ............................................................................................................................................4-40
4.4.8 OBJECT POSITION command......................................................................................................................4-43
4.4.8.2 Acknowledgment......................................................................................................................................................4-45
4.4.8.3 ADF sequence ..........................................................................................................................................................4-46
4.4.9 READ command ...........................................................................................................................................4-46
4.4.10 Scan command............................................................................................................................................4-49
...........................................................................................................................................................4-51
4.6.1 ATN detection...............................................................................................................................................4-51
4.6.2 Message types...............................................................................................................................................4-52
4.6.2.3 ABORT (X'06'): MESSAGE OUT phase (initiator → target).....................................................................................4-53
4.7.1 Initial sequence ............................................................................................................................................4-56
4.7.2 Read sequence ..............................................................................................................................................4-57
4.7.3 READ command sequence ............................................................................................................................4-57
4.7.3.1 Single READ ...........................................................................................................................................................4-57
4.7.3.2 Multiple READ........................................................................................................................................................4-58
......................................................................................................................................................4-60
→
(
..........................................................................................................................................4-56
.................................................................................................................4-59
)..................................................................................................4-50
iii