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SCSI Commands
5-158
Quantum DLT 7000 Tape System
5.21
SEND DIAGNOSTIC COMMAND (1Dh)
The SEND DIAGNOSTIC command directs the tape drive to perform its self-
diagnostic tests.
Bit
Byte
7
6
5
4
3
2
1
0
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.
Summary of Contents for DLTtape DLT 7000
Page 1: ...DLT 7000 Tape System Product Manual November 10 2003 81 60000 06...
Page 5: ...USER MANUAL STATEMENTS FOR CLASS B EQUIPMENT continued...
Page 6: ......
Page 38: ...General Description and Specifications 1 14 Quantum DLT 7000 Tape System...
Page 292: ...Appendix C Updating the Firmware C 6 Quantum DLT 7000 Tape System...
Page 310: ...Index Index 6 Quantum DLT 7000 Tape Drive...
Page 311: ......