Exception Handling; Phase Sequencing - Tandberg Data SLR7-140 PROGRAMMER Manual

Tandberg Data Request Sense

23.6. Exception Handling

The REQUEST SENSE command will return the CHECK
CONDITION status only to report fatal errors for the
REQUEST SENSE command. Fatal errors are: non-zero bit in
command descriptor or parity error on the data bus.

23.7. Phase Sequencing

In this section the possible SCSI-bus phase sequences
during execution of the command are described. Section
3.2 has more details about the generic phases in the
brackets.
<sequence 1> := <initiator-part> <message-out> <command> <data-in> <completed>
The Drive will never disconnect when executing this
command.
23-8 Tandberg SLR Product Line SCSI Functional Specifications