Quantum SuperLoader 3 Guia do Utilizador descarregar pdf (Página 34)

Chapter 2 Media Changer Commands

Inquiry Command (12h)

Quantum SuperLoader 3 Software Interface Guide 18

There are three different Identification Descriptors returned, in numerical

order of the

Identifier Type. Each Identification Descriptor takes the

following form:

Figure 8 Identifier Descriptor

Table 4 Identifier Descriptor

Field Descriptions

Bit

Byte76543210

Reserved Code Set

Reserved Association Identifier Type

Reserved

Identifier Length (n-3)

4 - n

Identifier

Field Name Field Description

Code Set Indicates the type of data to be found in the

Identifier field. A value of 1 indicates binary data. A

value of 2 indicates ASCII data.

Association Indicates whether the

Identifier is associated with

the logical unit or the port. Always contains a 0,

indicating the

Identifier is associated with the logical

unit.

Identifier Type Type of identifier.

Value Description

1 Concatenation of the Vendor Name,

Product ID, and unit serial number

2 Canonical form of the IEEE Extended

Unique Identifier, 64 bit (EIU-64)

3 FC-PH Name_Identifier

1 2 ... 29 30 31 32 33 34 35 36 37 38 39 ... 159 160

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