83h 00h Element not yet scanned The media changer has not scanned this element up to now.83h 01h No bar code label The element contains a cartridge without a readable bar code label.Data Transfer Element Status Page (04h)The Data Transfer Element is the device that stores user data on the cartridges in the library (aka TapeDrive). A Data Transfer Element contains a cartridge when the Full bit is set.Bit 7 6 5 4 3 2 1 0ByteSubheader0 Element Type Code (4h = Data Transfer Element)1 PVolTag AVolTag Reserved2 - 3 Data Transfer Element Descriptor Length4 Reserved5 - 7 Byte Count of Descriptor Data AvailableElement Descriptor8 - 9 Data Transfer Element Address10 Reserved Access Except Reserved Full11 Reserved12 Additional Sense Code13 Additional Sense Code Qualifier14 Obsolete Reserved IDValid Obsolete Reserved Obsolete15 SCSI Bus Address16 Reserved17 SValid Invert Reserved ED Medium Type18 -19Source Storage Element Address20 -55Primary Volume Tag Information(field omitted if PVolTag = 0)56 Reserved Code Set57 Reserved Identifier Type58 Reserved59 Identifier Length60 -93(MSB)Identifier(Omitted if DVCID = 0 in CDB)(LSB)Field descriptions:PVolTag:Primary Volume Tag. When set this flag indicates valid information in the Primary Volume TagInformation field. This flag will be set when the VolTag field was set in the CDB.3-62 TL2000 and TL4000 SCSI Reference
