Unit Serial Number page (80h)
The Unit Serial Number VPD page contains 12 bytes of ASCII data representing a unique serial number of
the media changer.
Bit 7 6 5 4 3 2 1 0
Byte
0 Peripheral Qualifier (0) Peripheral Device Type (8)
1 Page Code (80h)
2 Reserved
3 Page Length (10h)
4 -
15
Serial Number (12 ACSII bytes)
16 -
19
Unique Logical Library Identifier
Note: If an unsupported LUN was initially specified, the Peripheral Qualifier will return 3h and the
Peripheral Device Type will return 1Fh.
Field descriptions:
Serial Number:
The 12 byte ASCII Serial Number may contain ASCII numbers and ASCII characters and is right
justified with leading zeros.
Unique Logical Library Identifier:
Such as the ASCII representation of the logical library name, for example, _LL3.
Device Identification page (83h)
The Device Identification VPD page provides the means to retrieve identification descriptors from the
media changer. Both fiber-channel and SCSI devices return the following Device Identification VPD page:
Bit 7 6 5 4 3 2 1 0
Byte
0 Peripheral Qualifier (0) Peripheral Device Type (8)
1 Page Code (83h)
2 Reserved
3 Page Length (2Ch)
4 Reserved Code Set (2)
5 Reserved Identifier Type (1)
6 Reserved
7 Identifier Length (28h)
8 -
15
Vendor Identification (8 ASCII bytes)
16 -
31
Product Identification (16 ASCII bytes)
32 -
43
Serial Number (12 ASCII bytes)
44 -
47
Unique Logical Library Identifier
3-8 TL2000 and TL4000 SCSI Reference