Optical Drive and Library SCSI-2 Command Reference

Jukebox SCSI-2 Command Set
Read Element Status Command (B8H)
Chapter 3 3-71
Jukebox SCSI-2 CommandsJukebox SCSI-2 Commands
Element Type Code 2H - Storage Slot
Element Descriptor
Length The number of bytes in each Element Descriptor Block
Byte Count of
Descriptor
Data Element Descriptor Length for X Number of Elements
of the type shown in byte 0.
Element
Address The address of the element being reported by this
descriptor block.
Access When set to 1, access to the element by the Medium
Transport Element is allowed.
Except When set to 1, the element is in an abnormal state.
Full When set to 1, the element contains a cartridge.
Table 3-73 Read Element Status Storage Element Descriptor Block
Byte 7 6 5 4 3 2 1 0
0 Element Type Code (2H)
1 Reserved (0)
2 Element Descriptor Length (MSByte)
3 Element Descriptor Length (LSByte)
4 Reserved (0)
5 Byte Count of Descriptor Data Available (MSByte)
6 Byte Count of Descriptor Data Available (Middle Byte)
7 Byte Count of Descriptor Data Available (LSByte)
8 Element Address (MSByte)
9 Element Address (LSByte)
10 Reserved (0) Access Except Reserved
(0)
Full
11 Reserved (0)