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b. Device Serial No.
This VPD information reports the device serial number of the IDD. The format of this
VPD information is shown in Fig. 3.3.
Bit
7
Byte
0
Qualifier
1
2
3
4
5
Device Serial No. (ASCII)
~
~
~
~
15
The values displayed in the "Qualifier" and "Device Type Code" fields in byte 0 are the
same as those in the previously mentioned standard INQUIRY data. The "Page code" field
in byte 1 indicates the page code (X '80') of this VPD information itself. Also, the "Page
length" field in byte 3 indicates the length (byte length) after byte 4. This value has no
relationship to the specification in the "Transfer Byte Length" in the CDB, but indicates
the length of this VPD information and is always X '0C' (Total data length = 16 bytes).
Bytes 4 to 15 indicate the IDD's device serial number in right-justified decimal (ASCII
code).
6
5
4
X'80' (Page Code)
X'00'
X'0C' (Page Length)
Figure 3.3
VPD Information: Device Serial No.
C141-E039-01EN
3
2
1
Device Type Code
0
~
~
3 - 9
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