Control Panels IP communications | en 51
Bosch Security Systems, Inc. Installation and System Reference Guide 2016.06 | 08 | F.01U.303.996
Figure8.9: Plug-in cellular module wiring (B440 shown)
8.2.3 Signal strength and diagnostic LEDs
Five LED patterns indicate that you correctly secured the module in the control panel, and
indicate the signal strength obtained by the module.
LED Function
Blue
Indicates the overall status of the device.
Red
Indicates an unacceptable signal strength
level.
Yellow
Indicates a marginal signal strength level.
Green (1 light)*
Indicates a good signal strength level.
Green (2 lights)
Indicates a very good signal strength level.
* One green LED indicates the minimum installation level.
Tab.8.4: Cellular module signal strength LED patterns
A single blue Status LED indicates the module status.
Flash pattern Function
Flashes
once every 1 sec
Normal state. Indicates normal operation.
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