Quantum SuperLoader DLT, User Manual

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Chapter 3 Media Changer Commands
Request Sense Command (03h)
Quantum ATL SuperLoader Software Interface Guide 151
Request Sense Command (03h)
3
The REQUEST SENSE command causes the media changer to
transfer detailed sense data to the initiator.
Figure 79 Request
Sense Command
Descriptor Block
Figure 80 Request
Sense Command
Data
Bit
Byte
7 6 5 4 3 2 1 0
0
Operation Code (03h)
1
Logical Unit Number Reserved
2 - 3
Reserved
4
Allocation Length
5
Unused Reserved Flag Link
Field Description
Allocation
Length
This field specifies the maximum number of sense
bytes to be returned. The media changer terminates the
transfer when this number of bytes has been
transferred or when all available sense data has been
transferred to the host, whichever is less.