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A.4 Commands
Appendix A-49
(2) Response
This scanner reports as follows:
a. Normal:
• Status: B’00000’ (GOOD)
• Sense key: X’0’ (NO SENSE)
b. Abnormal:
• Status: B’00001’ (CHECK CONDITION)
• Sense key: X’0’, X’2’, X’3’, X’4’, X’5’, X’6’, or X’B’
A.4.7 SET WINDOW command
The following table shows the normal sequence of the SET WINDOW command when used with
this scanner.
Step Bus phase Initiator operation
← →
Target operation
1 BUS FREE Verifies bus free
2 ARBITRATION Obtains bus-usage
right
3 SELECTION Selects target
→
Drives BSY signal
4 (MESSAGE OUT) Selects logical unit
→
5 COMMAND Specifies SET
WINDOW (CDB)
→
Sets window
6 DATA OUT Specifies window
data
→
7 STATUS
←
Reports GOOD status
8 MESSAGE IN
←
Reports message
(Command Complete)
Releases BSY signal
9 BUS FREE