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4 request sense command, Request sense command – FUJITSU M3097G User Manual

Page 54

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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

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