Quantum Instruments DLT 7000 - Manual (Page 139)

SCSI Commands
Quantum DLT 7000 Tape System 5-35
LOG SELECT Command (4Ch) (continued)
5.7.3 Log Select Page Format
Each log page begins with a 4-byte header followed by n number of log parameter
blocks (one block for each parameter code). Each block, except for parameter
code 05h is comprised of 8 bytes. The parameter block for code 05h is 12 bytes.
Bit
Byte
7 6 5 4 3 2 1 0
0 Reserved Page Code
1 Reserved
2 - 3
(MSB)
Page Length
(LSB)
Figure 5–14 LOG SELECT Log Page Header Format
Table 5–17 LOG SELECT Log Page Header Field Descriptions
Field Name Description
Page Code The Page Code specifies for which Log Page this LOG SELECT command is
directed.
Page Length The Page Length field specifies the total number of bytes contained in
this log page, not including the four bytes that make up the header.