Alarm.com LX30-Q50TU-AUC - Module LED Guide

Alarm.com Universal Communicator (AUC) - Module LED Guide
Alarm.com Universal Communicators (AUC) include
4
LEDs that indicate communication errors, panel communication,
network communication, and signal strength.
https://answers.alarm.com/Partner/Installation_and_Troubleshooting/Panels/Alarm.com_Universal_Communicator_AUC/Alar...
Updated: Mon, 07 Jul 2025 13:47:48 GMT
1 LED Pattern
Description
The green
OK
LED indicates the following three key
states:
•
Cellular network registration
:
Once the device is
powered ON, the
OK
LED (green) will blink rapidly
and continuously during the cellular registration.
•
Signal strength
:
After registration, the
OK
LED
(green) constantly displays signal strength by
flashing the number of times corresponding to the
cellular signal strength. Then, it will remain ON or
OFF for two seconds and repeat the pattern. Signal
strength is represented by a scale of 0 to 8 flashes.
•
Server connection
:
During the two-second
intervals, the
OK
LED will indicate if the
communicator has established an active session
with the server.
◦
OK
LED is ON for two seconds indicates the
communicator is connected to the server.
◦
OK
LED is OFF for two seconds indicates the
communicator is unable to connect to the
server.
Receiving data from the control panel via
DTMF
:
While sending data from the control panel to the
communicator via DTMF, the
DTMF
LED (yellow) will
flash the dialing and the
Status
LED (blue) will flash as
confirmation of the handshake.
DTMF indicates the AUC detects activity from the panel.
Sim Card Error
:
In case of SIM card errors, the
ERROR
LED
(red) and
OK
LED (green) will flash together.
https://answers.alarm.com/Partner/Installation_and_Troubleshooting/Panels/Alarm.com_Universal_Communicator_AUC/Alar...
Updated: Mon, 07 Jul 2025 13:47:48 GMT
2 LED Pattern
Description
System Failure
:
Errors may occur during device
operation or installation. An error is indicated by a solid
ERROR
LED
(red). In most cases it means a
communication problem with the modem or SIM card.
Backup Channel
:
When the Dual-Path functionality is
enabled on the device (EPX400-AUC
only), the backup
channel operation status is indicated by a
solid
DTMF
LED (yellow).
https://answers.alarm.com/Partner/Installation_and_Troubleshooting/Panels/Alarm.com_Universal_Communicator_AUC/Alar...
Updated: Mon, 07 Jul 2025 13:47:48 GMT
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