7

6

5

4

3

 

2

1

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Byte 0

 

 

 

 

Operation code X©1D￿

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

Logical unit number

 

PF

(Reserved)

 

SLFTST

D0

U0

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

 

 

 

 

(Reserved)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

(MSB)

 

 

Parameter list length

 

 

 

 

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(LSB)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

 

 

 

 

 

Control

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

a.PF (page format) : Byte 1 This scanner ignores PF.

b.SLFTST (self test) : Byte 1 This value is 1 on this scanner.

c.DO (device offline), UO (unit offline) : Byte 1 This scanner ignores DO and UO.

d.Parameter list length: Bytes 3 to 4

This scanner does not support parameter list length.

(2)Contents of self>test

The contents of self>test shall be an equivalent of NOP (Non Operation), provided that CHECK CONDITION is reported if error information is withheld in the unit.

(3)Response

This scanner reports as follows:

a.Normal

The GOOD status is returned.

f Status: B©00000￿ (GOOD)

f Sense key: X©0￿ (NO SENSE)

b.Abnormal

If error information is being withheld, the following status is returned:

f Status: B©00001￿ (CHECK CONDITION)

f Sense key: Error information being withheld

4 $ 35