Inquiry Command - Fujitsu M3096GX Instruction Manual

a. TP (third party) : Byte 1
As this scanner does not support the 3rd party reservation option, setting this
bit to 1 causes the target to return the following error information:
f Status: B©00001π (CHECK CONDITION)
f Sense key: X©5π (ILLEGAL REQUEST)
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.
Step Bus phase
1 BUS FREE
2 ARBITRATION
3 SELECTION
4 MESSAGE OUT
5 COMMAND
6 DATA IN
7 STATUS
8 MESSAGE IN
9 BUS FREE
(1) INQUIRY command: COMMAND phase (initiator Æ target)
The INQUIRY command used to check information regarding a target and logical
unit.
The CDB of this command is shown in the following illustration.
Initiator operation
Verifies bus free
Obtains bus>usage
right
Selects target
Selects logical unit
Specifies INQUIRY
(CDB)
¨ Æ Target operation
Æ
Drives BSY signal
Æ
Æ
¨ Reports inquiry data
¨ Reports GOOD status
¨ Reports message (Command
Complete)
Releases BSY signal
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