MD-150M User Manual
7.
“K2” (Choose want to use Key)
Controller send
：
SOH
“S”
ID1
ID2
“K”
“2”
STX
DATA
ETX
BCC
USB Reader responds
：
SOH
“s”
ID1
ID2
“K”
“2”
STX
data
ETX
BCC
Data description
：
1. “DATA” should be compare with A,B Key, sector number you want to lock, just as
follow: Card type (1 byte) + Page/block number (2 bytes)
2. Card type should be entered as: “M” for Multi-Page.
3. The range of page/block number is different in different card type.
4. “K2” function can’t lock a block of EM4135 tag. (Must use “K9”)
5. Responded “data” value will be as following:
If “data” is
“Y”
means page/block is successfully locked.
If “data” is
“N”
means failed.
Function description
：
1. Use this function to lock the data in specified page/block.
2.
Warning!
This action is not recoverable, no any unlock maybe perform, use with
extreme care!!!
Example
：
Controller send
：
SOH +
"S01K2"
+ STX +
"M07"
+ ETX + BCC
USB Reader responds
：
SOH +
"s01K2"
+ STX +
"Y"
+ ETX + BCC
(
“Y”
means page/block is successfully locked)
USB Reader responds
：
SOH +
"s01K2"
+ STX +
"N"
+ ETX + BCC
(
“N”
means failed)
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