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Page 18 of 74
SecureMag User Manual
Any previously read data will be erased and reader will wait for the next swipe.
As the user swipes a card, the data will be saved, but will not be sent to the host.
The reader holds the data until receiving the next “Arm to Read” or “MSR Reset”
command.
Disarm to read:
02 50 01 32 03 LRC
This command will disable MSR read and clear any magnetic data in buffered
mode. The reader enters to a disarmed state and will ignore MSR data.
Response is as follows:
06
Other possible response statuses:
NAK
'P' command length must be 1
NAK
'P' command must be 0x30 or 0x32
NAK
Reader not configured for buffered mode
NAK
Reader not configured for magstripe read
NAK for keyboard interface is FD, non-KB mode NAK is 15
7.6
Read Buffered MSR Data Command
02 51 01 <Track Selection Option> 03 LRC
The <Track Select Option> byte is defined as follows:
‘0’
Any Track
‘1’
Track 1
‘2’
Track 2
‘3’
Track 1 and Track 2
‘4’
Track 3
‘5’
Track 1 and Track 3
‘6’
Track 2 and Track 3
‘7’
Track 1, Track 2 and Track 3
‘8’
Track 1 and/ or Track 2
‘9’
Track 2 and/ or Track 3
This command requests card data information for the buffered mode.
The selected MSR data is sent to the host with or without envelope format,
according to the operation mode setting.
This command does not erase the data.
Response is as follows:
06 02 <Len_H> <Len_L> <MSR Data> 03 LRC