Target) – FUJITSU SCANPARTNER 600C User Manual
Page 58
4-30
Table 4.14 SEND DIAGNOSTIC command
Step
Bus phase
Initiator operation
←
←→
→
Target operation
3
SELECTION
Selects target
→
→
Drives BSY signal
4
MESSAGE
Selects logical unit
→
→
OUT
5
COMMAND
Specifies SEND
→
→
Performs self-test
DIAGNOSTIC
(CDB)
6
STATUS
←
←
Reports GOOD status
7
MESSAGE
←
←
Reports message (Command Complete)
IN
Releases BSY signal
8
BUSFREE
4.4.5.1 SEND DIAGNOSTIC command: COMMAND phase (initiator
→
→
target)
The SEND DIAGNO~C command is used by an initiator to request a target or local unit for self-test. Two types of
self-diagnostic are: (a) the selftest performed by the unit itself, and (b) the test conducted according to the instruction
data from the initiator.
This scanner supports the self-test only.
The results of self-test are reported using the status and sense da~
The CDB of this command is shown in the following illustration.
7
6
5
4
3
2
1
0
Operation code X'1D'
Logical unit number
PF
(Reserved)
SLFTST
DO
UO
Reserved
(MSB)
(LSB)
Control byte
(a) PF (page format): Byte 1
This scanner ignores PF.
(b) SLFTST (selftest): Byte 1
Specifies the self-test done by the unit itself. This value is 1 on this scanner.
Byte 0
1
2
3
4
5
Parameter list length