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n. Product identification: Bytes 10 to 1F
Indicates the product name in ASCII code. The name is left>justified, with the
blank filled with spaces (X©20π). This scanner returns one of the following
names:
M3097G without option
M3097Gi with image processing II option
M3097Gm with CMPII option
M3097Gim with image processing II option and CMP II option
o. Product revision level: Bytes 20 to 23
Indicates the version number of the product in ASCII code. This number is left>
justified, with the blank filled with spaces (X©20π).
4.4.4 REQUEST SENSE command
The following table shows the normal sequence of the REQUEST SENSE command
when used with this scanner.
Step Bus phase Initiator operation ¨ Æ Target operation
1 BUS FREE Verifies bus free
2 ARBITRATION Obtains bus>usage
right
3 SELECTION Selects target Æ
Drives BSY signal
4 MESSAGE OUT Selects logical unit Æ
5 COMMAND Specifies
REQUEST SENSE
(CDB)
Æ
6 DATA IN ¨ Reports sense data
7 STATUS ¨ Reports GOOD status
8 MESSAGE IN ¨ Reports message (Command
Complete)
Releases BSY signal
9 BUS FREE
4 $ 29