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(3)
Third track read command (Model: TCP310)
General Description
This command waits the third track read of a magnetic strip encoded in the following formats.
• 7-bit format conforming to JISX6302
• 6-bit format conforming to ISO 7811/2 first track
• 4-bit format conforming to ISO 7811/2 second and third tracks
This command cannot be used with on models with one magnetic stripe (TCP300).
See the first track read command for details on other descriptions and operations.
Command Transfer Formats
STX
23h
BCC=20h
Response Transfer Formats
STX
23h
(4)
First track read (status with no card) command (Model: TCP310)
General Description
This command waits the first track read of a magnetic strip encoded in the following formats.
• 7-bit format conforming to JISX6302
• 6-bit format conforming to ISO 7811/2 first track
• 4-bit format conforming to ISO 7811/2 second and third tracks
The starting symbol in the magnetic stripe automatically determine what format to use to read
the card.
Note that this command cannot be used with on models with one magnetic stripe (TCP300).
Details of Operation
If a card is idling in the machine, this will read the magnetic stripe on the idling card.
If there is no targeted card, set the no card status (22h) to the response block status field and
quit the command. In that case, the read data string field does not exist. If there is a card
waiting to be removed from the device when issuing this command, discharge it.
The results of the command are stored in the response block status field.
If reading of the card fails, the device will automatically reread the card according to the number
of times that were set. If still the card cannot be read with that set number of rereads, the
values of 23h, 31h to 34h are set to the response block status field.
The following shows the read data string.
ETX
BCC
Status
Read Data String
ETX
BCC
13
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