ACS ACR38K Smart Keyboard User Manual
Page 36
ACR38x (CCID) – Reference Manual
Version 6.04
www.acs.com.hk
Page 36 of 58
Response Data Format (abData field in the RDR_to_PC_DataBlock)
SW1
SW2
ErrorCnt
90h
Where:
SW1
= 90h
SW2 (ErrorCnt)
= Error Counter. FFh
indicates successful verification. 00h
indicates that the
password is locked (or exceeded the maximum number of retries). Other
values indicate that current verification has failed.