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ACM1281U-C7
– Reference Manual
Version 1.02
www.acs.com.hk
Page 9 of 44
www.acs.com
.hk
4.3. User Interface
4.3.1.
Buzzer
A monotone buzzer is used to indicate
the “Card Insertion” and “Card Removal” events.
Events
Buzzer
1. The reader is powered up and successfully initialized.
Beep
2. Card Insertion Event (PICC)
Beep
3. Card Removal Event (PICC)
Beep
Table 2
: Buzzer Event
4.3.2.
LED
The LEDs are used to indicate the state of the contact and contactless interfaces. The Red LED is
used to indicate PICC status and the Green LED is used to indicate ICC status.
Reader States
Red LED
PICC Indicator
Green LED
ICC Indicator
1. No PICC Found or PICC present but
not activated.
A single pulse per ~ 5 seconds
N/A
2. PICC is present and activated.
ON
N/A
3. PICC is operating.
Blinking
N/A
Table 3
: LED Indicator