BLUEBOX Gen.2 HFM
Page 27 of 37
Byte
Value
Description
Notes
1+1
0x..
Transponder UID, 1 st byte
1+i
0x..
Transponder UID, i th
byte
i < 8
1+8
0x..
Transponder UID, 8 th
byte
If the command is not successfully executed, the answer is given in short form
through the ‘reply ack’ / ‘reply nak’ flags; otherwise, the
BLUEBOX
answers,
a) if the addressed transponder is not present:
Byte
Value
Description
Notes
1
0x14
Command code
2
0x01
Status no transponder
b) if some error is occurred during the transaction:
Byte
Value
Description
Notes
1
0x14
Command code
2
0x02
Status error
c) if the addressed transponder is present:
Byte
Value
Description
Notes
1
0x14
Command code
2
0x00
Status ok block successfully locked
3
0x..
Info Flags: single bits are dedicated to
specify the presence of the following
fields (0
absent, 1
present):
•
Bit 7 … bit 4: not used
•
Bit 3: IC Reference (1 byte)
•
Bit 2: Memory Size (2 bytes)
•
Bit 1: AFI (1 byte)
•
Bit 0: DSFID (1 byte)
4+1
0x..
Transponder UID, 1 st byte
4+i
0x..
Transponder UID, i th
byte
i < 8
4+8
0x..
Transponder UID, 8 th
byte
...
0x..
DSFID
Present only if bit 0 of Info
Flags is set
...
0x..
AFI
Present only if bit 1 of Info
Flags is set