
SDLT 600 SCSI Interface Guide Chapter 4: SCSI Commands
81-81200-02 REV A01 January 2005 4-241
4.34 TEST UNIT READY Command (00h)
The TEST UNIT READY command checks the SDLT tape drive to ensure that it is ready for
commands involving tape movement.
Figure 4-130. TEST UNIT READY Command Descriptor Block — Data Format
Bit
Byte
7 6 5 4 3 2 1 0
0 Operation Code (00h)
1 Reserved
2 – 4 Reserved
5 Control
SDLT 600
SCSI Interface Guide
SCSI Commands
81-81200-02
REV A01
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