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INQUIRY Command (12h) SDLT 600 SCSI Interface Guide

4-22 January 2005 81-81200-02 REV A01

Vendor-unique Logical Unit Identifier

Figure 4-8 shows the format of the Vendor-unique Logical Unit Identifier.

Figure 4-8. Vendor-unique Logical Unit Identifier— Data Format

Bit

Byte

7 6 5 4 3 2 1 0

0 Protocol Identifier Code Set (2h)

1 PIV (0) Rsv’d Association (0) Identifier Type (1)

2 Reserved

3 Identifier Length

4 – 11

(MSB)

Vendor Identification

(LSB)

12 – 27

(MSB)

Product Identification

(LSB)

28 – n

(MSB)

Serial Number

(LSB)

Table 4-12. Vendor-unique Logical Unit Identifier — Field Descriptions

Field Name Description

Protocol

Identifier

Set to 0.

Code Set Indicates the type of data found in the Identifier field. Set to 2h, indicating

ASCII graphic code (values 20h through 7Eh) data.

PIV Protocol Identifier Valid. Set to 0, indicating that the value returned in the

Protocol Identifier field should be ignored.

Association Set to 0, indicating that the Identifier is associated with the logical unit.

Identifier Type Type of identifier.

Value Description

1h T10 vendor identification

1 2 ... 59 60 61 62 63 64 65 66 67 68 69 ... 293 294

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Quantum 1200 Series DAT Autochanger Guía de usuario Pagina 64