8
Table 4-2 Description of LED Indicator
LED Indicator Status
Description
Green (blink for 1
time), and red (blink
for 3 times)
The card reader is power on.
Green
and
slow
blinking
For Card + Password authentication:
prompt for entering the password after
swiping the card.
Solid green for 3s
The operation of pressing keys or swiping
card is valid.
Solid red
Card reader is working normally.
Red and blink for 3
times
The operation of pressing keys or swiping
card is invalid.