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LED INDICATORS
The ATRIUM A22K has several status LEDs that are very useful to diagnose the ATRIUM system. Refer to the
following picture to locate the LEDs on the ATRIUM A22K.
+12V DC
A+
B-
Input 1
Input 2
Output 1
+12V DC
Output 2
5
READER DOOR 1
BUZ GRN RED D1
D0 GND 12V
ETHERNET
ACT
1
LNK
LOCAL BUS
RX
2
TX
12V
24Vdc Input
24V
/ Battery
BATT
3
STATUS
STAT
4
READERS
#1
5
#2
LOCK &
LOCK 1
RELAY
LOCK 2
6
RLY1
RLY2
High Security Access Control 2-Doors Module
1
2
ETHERNET
ETHERNET
LOCAL BUS
PORT
SYSTEM STATUS
RS485
LOCAL
BUS
EXTRA
INPUTS/
OUTPUTS
INPUT
READER DOOR 2
DOOR 1
BUZ GRN RED D1
D0 GND
12V
C1
GND
3
4
STATUS
LOCK 1 & 2
24V DC INPUT/
BATTERY/
JUMPER SETTING
MODULE TYPE
ENCLOSURE
TAMPER
INPUT
SWITCH
DOOR 2
INPUT
REX1
12V
C2
GND
REX2
12V
GND
TMP
LK1+ LK1-
Green LED flashing: Data transmitted/received.
Steady Green LED: Ethernet network detected.
Green LED flashing: Data received on local bus.
Green LED flashing: Data transmitted on local bus.
Steady Green LED: 12V on local bus.
Steady DC IN Green LED: A22K is powered properly.
Red LED: No primary power.
Green LED: On primary power present and battery charging.
Green LED Off Steady: Primary power present and battery full.
Red LED: No battery or battery not properly connected .
Red LED flashing: Battery power is below 11.8Vdc.
Flash once per second: Firmware is operating normally.
Flash rapidly: Firmware is upgrading.
Blink once per 3 seconds: Card enrollment mode .
Green LED flashing: Data received from Reader #1.
Green LED flashing: Data received from Reader #2.
Green LED: Door 1 Lock Relay is active/triggered.
Green LED: Door 2 Lock Relay is active/triggered.
Green LED: Auxiliary Relay 1 is active/triggered.
Green LED: Auxiliary Relay 2 is active/triggered.
A22K
INPUT
+24V DC
POWER
-
SUPPLY
BATTERY
+12V DC
BACKUP
-
6
LOCK
LOCK
DOOR 1
DOOR 2
C1 NO1 NC1
LK2+ LK2-
C2 NO2 NC2
53
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