Select_card_type, Reset, Acr30 – ACS ACK30 Smart Keyboard User Manual
Page 21

ACR30 Reference Manual
Version 3.3 January 2009
Page 21 of 44
ACR30
BAUD RATE
Selects the baud rate (bps) of the serial interface between reader and host system.
The default hardware baud rate is 9600 bps. (baud rate changes only valid on RS232
reader).
BAUD RATE
Serial baud rate (bps)
12
H
9600
11
H
19200
10
H
38400
03
H
14400
02
H
28800
01
H
57600
00
H
115200
Response data format
No
response
data
The new protocol becomes effective by the completion of the SET_PROTOCOL command,
immediately after the ACR30 has sent out the response string to the SET_PROTOCOL
command.
9.1.3.
SELECT_CARD_TYPE
This command sets the required card type. The firmware in the ACR30 adjusts the communication
protocol between reader and the inserted card according to the selected card type.
Command format
Instruction Code
Data length
Data
TYPE
02
H
01
H
TYPE
See Appendix A for the value to be specified in this command for a particular card to be
used.
Response data format
No
response
data
9.1.4.
RESET
This section describes the RESET command only for the case when no card type is selected or when
the card type 00
H
is selected. For all other cases, please refer to the specific section described for
each individual card type.