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MEDIA CHANGER COMMANDS M2488 PRODUCT GUIDE
6-26 CG00000-011503 REV. A March 1997
Table 6-29. Import Export Element Descriptor (Type Code=3h)
BITS
BYTES 7 6 5 4 3 2 1 0
0-
1
MSB
Element Address
LSB
2
Reserved
Import
Enable =1
Export
Enable=1
Access Exception ImpExp Full
3
Reserved
4
Additional Sense Code
5
Additional Sense Code Qualifier
6-
8
Reserved
9
SValid Invert=0 Reserved
10-
11
MSB
Source storage element address
LSB
12-
15
Reserved
Table 6-30. Import Export Element Descriptor Field Description
BYTE BIT VALUE DESCRIPTION
0-1 The Element address field indicates the address of the element for which status is
being reported in the descriptor.
2 0 1
0
The Full bit, if one, indicates that a magazine or cartridge is present in the import
export element.
If the Full bit is zero then no magazine or cartridge is present in the element.
2 1 1
0
The ImpExp bit, if one, indicates that the magazine was put into the import export
element by the operator.
If this bit zero then the magazine was placed into the import export element by the
medium-changer’s medium transfer element; immediately following a magazine
unload the ImpExp bit will be zero. This bit is not defined when the import export
element’s Full bit is zero.
2 2 1
0
The Exception bit, if one, indicates that the element is in an error condition.
If the Exception bit is zero then the element is not in an error condition. When the
Exception bit is one, the Additional Sense code and Additional sense code qualifier
fields give detailed information about the error condition.
2 3 1
0
If the Access bit is one then the import export element is accessible to the medium
transfer element.
If the Access bit is zero the import export element is not accessible to the medium
transfer element.