LED and Keypad-Switch Functions
46 PN 15842:K 7/23/2002
5.2.2 AEM-16AT
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Lamp Test Switch. When pressed, it lights all the
LEDs on the AEM-16AT Series expander (except the
On-line LED) and sounds the piezo for as long as the
switch is held down.
Inactive LEDs. These two LEDs are not functional on
expander modules.
Point-Active LED. Flashes to indicate an active point;
after being acknowledged it glows until reset. LED color
varies by model number; see chart below.
Trouble LED. Flashes to indicate a trouble situation.
After being acknowledged it glows until reset. If
communication with control panel is broken, all trouble
LEDs flash.
LED color varies by model number; see chart below.
Control Switch
Functions as a local Lamp Test for the two LEDs
dedicated to this point. Control switches can be used to
execute such system functions as ACKNOWLEDGE,
SIGNAL SILENCE, and SYSTEM RESET. Switches
can also be used to control the states of various output
circuits.
Model Number AEM-16AT AEM-16ATG AEM-16ATY
Color of Point-active LED Red Green Yellow
Color of Trouble LED Yellow Yellow Yellow
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