FUJITSU SCANPARTNER 600C - Manual (Page 50)

4-22
If the 3rd party reservation option is not supported, setting this bit to 1 causes the target to return the
following error;
•
Status key: B'0000I'(CHECKCONDITION)
•
Sense key: X~5'(ILLEGAL REQUEST)
This scanner does not support the 3rd party reservation option.
(b) TPID (third party device ID): Byte 1 This scanner ignores TPID.
4.4.3 INQUIRY command
The following table shows the normal sequence of the INQUIRY command when used with this scanner.
Table 4-10 INQUIRY command
Step Bus phase Initiator operation
← ←→ →
Target operation
1 BUS FREE Verifies bus free
2 ARBITRATION ON Obtains bus-usage right
3 SELECTION Selects target
→
Drives BSY signal
4 MESSAGE OUT Selects logical unit
→
5 COMMAND Specifies INQUIRY (CBD)
→
6 DATA IN
←
Reports inquiry data
7 STATUS
←
Reports GOOD status
8 MESSAGE IN
←
Reports message (Command Complete
Releases BSY signal
9 BUS FREE
4.4.3.1 INQUIRY command: COMMAND phase (initiator
→
target)
The INQUIRY command checks information regarding a target and logical unit.
The CDB of this command is shown in the following illustration.