Tandberg Data SLR7-140 PROGRAMMER, Руководство пользователя

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Tandberg Data Log Select
12-3 Tandberg SLR Product Line SCSI Functional Specifications
12.3. Parameter List
12.3.1. General Parameter Description
See the LOG SENSE command for a description of all LOG
pages/parameters supported by the Drive.
A LOG-page consists of a 4-byte header and one or more
parameter blocks.
If more than one LOG-page is transferred in a LOG SELECT
command, the pages must be transferred in an ascending
order by page code.
If more than one parameter block is transferred in a
page, the parameters must be transferred in an ascending
order by parameter code.
It is not required to transfer all parameters defined in
a LOG-page, but it is required that given page size
match exactly the size of all currently present
parameter blocks. The parameter blocks are 5, 6, 7, 8 or
12 bytes long for this Drive.
The Supported Pages page is NOT legal during LOG SELECT.
12.3.2. Log Page Headers
The first two bytes of LOG-page header must exactly
match the page description presented in LOG SENSE
chapter.
The remaining two bytes, the Page Length, must exactly
match the total size of parameter blocks transferred
within the page.
12.3.3. Log Parameter Headers
The first two bytes of parameter header must exactly
match the parameter header description presented in LOG
SENSE chapter.
The header byte n+2, the Parameter Control Byte, must be
set as shown below:
BYTE BIT 7 6 5 4 3 2 1 0
n+2 DU DS TSD ETC TMC LBIN LP
Table 12-2: Parameter Control Byte