Quantum Instruments DLT 7000 manual Send Diagnostic Command 1Dh

Models: DLT 7000

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SCSI Commands

5.21SEND DIAGNOSTIC COMMAND (1Dh)

The SEND DIAGNOSTIC command directs the tape drive to perform its self- diagnostic tests.

 

Bit

 

7

 

6

 

5

4

 

3

2

1

 

0

 

 

Byte

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

 

 

 

 

 

 

Operation Code (1Dh)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

 

Logical Unit Number

 

PF (0)

 

Rsv’d

Selftst

DevOfl

 

UnitOfl

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2 - 4

 

 

 

 

 

 

Reserved

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

 

 

Unused

 

 

Reserved

 

Flag

 

Link

 

 

 

 

 

 

 

 

Figure 5–76 SEND DIAGNOSTIC Command Descriptor Block - Data Format

 

 

Table 5–75 SEND DIAGNOSTIC Command Data - Field Descriptions

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Field Name

Description

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PF

Page Format. Not supported; must be 0.

 

 

 

 

 

 

 

Selftst

Self Test. This bit is used in conjunction with DevOfl and UnitOfl to specify the type

 

 

 

of testing to be done. An explanation is provided in the following paragraphs.

 

DevOfl

Device Offline. This bit is used in conjunction with Selftst and UnitOfl to specify

 

 

 

the type of testing to be done. An explanation is provided in the following

 

 

 

 

 

paragraphs.

 

 

 

 

 

 

 

 

 

 

UnitOfl

Unit Offline. This bit is used in conjunction with Selftst and DevOfl to specify the

 

 

 

type of testing to be done. An explanation is provided in the following paragraphs.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5-158

Quantum DLT 7000 Tape System

Page 262
Image 262
Quantum Instruments DLT 7000 manual Send Diagnostic Command 1Dh, Send Diagnostic Command Data Field Descriptions