MD-150M User Manual
8.
“K3” (
Set A,B Key value of 32 Sector groups )
Controller send
：
SOH
“S”
ID1
ID2
“K”
“3”
STX
DATA
ETX
BCC
USB Reader responds
：
SOH
“s”
ID1
ID2
“K”
“3”
STX
data
ETX
BCC
Data description
：
1. DATA should be entered as cars type, Sector group and the information you want
to input, just as follow:Card type (1 byte) +
［
Sector group(2 bytes)
］
+ Information (12
bytes).
2. The range of Sector group of Reader is "01"- "20"(HEX ) 32 groups altogether.
"01": Sector 0
"02": Sector 1
"03": Sector 2
"10": Sector 15
All groups of Sector picture of the Reader to reaching every group Sector of Mifare
card.
3. Responded “data” value will be as following:
If “data” is
“Y”
means page/block is successfully locked.
If “data” is
“N”
means failed.
4. The content of the Reader is while wanting to write into Key value of each one
Sector : " 123456789ABC " (12 yards of A , B Key value ).
Function description
：
1. Use this function to Set A,B Key value of 32 Sector groups.
2. Can just use K0 to need K2 movements effectively after needing to use this
function.
3. As want to revise within Mifare card , must establish Key of this Sector to the
mould group first , Then choose to want Key of authentication , could read
and write the materials within Mifare card in this way.
Example
：
Controller send
：
SOH +
"S01K3"
+ STX +
" M01123456789ABC "
+ ETX + BCC
USB Reader responds
：
SOH +
"s01K3"
+ STX +
"Y"
+ ETX + BCC
(
“Y”
means page/block is successfully locked)
Description
：
1. USB Reader responded:
"M01"
─
Write into the first group.
"123456789ABC "
─
The first group A,B Key Sector 0.
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