User's Manual

DLT2000 SCSI Interface
8-82 DLT2000/DLT2700 Cartridge Tape Subsystem
8.4.10.5 Data Compression Page (0Fh)
The Data Compression Page specifies parameters for the control of data compression.
Bit
76543210
0 RSVD
Page Length
DCE Reserved
Byte RED Reserved
Compression Algorithm
(LSB)
Decompression Algorithm
11
PS Page Code
1
DCC
Reserved
DDE
(LSB)
12
15
2
(MSB)
3
(MSB)
4
7
8
Figure 8-52 Data Compression Page)
PS (Parameters Savable)
The Parameters Savable bit indicates if the MODE SENSE parameter data contained in
this page is savable. The DLT2000 does not support this feature. The value returned for
this bit is 0.
Page Code
The Page Code identifies the type of MODE SENSE data being transferred. The value
returned for this field is 0Fh (Data Compression Page).
Page Length
The Page Length indicates the number of Data Compression Page bytes that follow this
byte. The value returned for this byte is 0Eh.