Conettix Cellular Communicators
Diagnostic LED descriptions
At power up, all communicator LEDs activate for several seconds, indicating proper insertion.
The Signal LEDs then turn off until the module registers on the cellular network. Registering a
new module might take up to 2 min.
Check the LED display to ensure a good signal strength level, and adjust the antenna location
as required. The signal strength LEDs momentarily turn off to indicate the module has
measured and updated the signal strength status.
Green (1 light)
Green (2 lights)
Tab. 4.1: Signal strength LED descriptions
Flashes once every 1 sec (blue)
On Steady (blue)
Tab. 4.2: STATUS LED descriptions
Bosch Security Systems, Inc.
Indicates an unacceptable signal strength
Indicates a marginal signal strength level.
Indicates a good signal strength level.
Indicates a very good signal strength level.
Indicates that the module has not acquired a
Normal State: Indicates normal operation.
Communication Error State: Indicates the
communicator is unable to communicate on
the cellular network.
LED Trouble State: Indicates communicator is
not powered, or some other trouble condition
prohibits the communicator from controlling
the STATUS LED. (Check for proper
Diagnostic LED descriptions | en
2018.04 | 02 | F.01U.345.070