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©20￿). 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©20￿).

4.4.4REQUEST 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

Æ

 

 

 

REQUEST SENSE

 

 

 

 

(CDB)

 

 

 

 

 

 

 

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