User's Guide

Table Of Contents
Chapter 2 Media Changer Commands
Read Element Status Command (B8h)
Quantum SuperLoader 3 Software Interface Guide 111
Table 52 Data Transfer
Element Descriptor
10-11
Source Storage Element Address
•••
(36 bytes)
Primary Volume Tag Information
(field omitted if PVOLTAG=0)
•••
(1 byte)
Reserved Code Set
(1 byte)
Reserved Identifier Type
(1 byte)
Reserved
(1 byte)
Identifier Length
•••
(16 bytes)
Drive Serial Number
(field omitted if Identifier Length = 0)
Field Name Description
Access When set to 1 it indicates access to the data transfer
element by the medium transport element is allowed.
When set to 0 it indicates access is denied. This may
occur if the device is performing an auto clean
operation.
Not Bus This field is sent as 0. The data transfer element is on
the same bus as the media changer device.
ID Valid When set to 1, it indicates that the SCSI BUS address
field contains valid information.
LU Valid When set to 1, it indicates that the
Logical Unit Number
field contains valid information.
Bit
Byte 7 65 4 3210