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A condition that causes an LED to light also activates the corresponding alarm relay contact on the craft
interface.
To deactivate red and yellow alarms, press the button labeled ACO/LT (for "alarm cutoff/lamp test"), which
is located to the right of the alarm LEDs. Deactivating an alarm turns off both LEDs and deactivates the
device attached to the corresponding alarm relay contact on the craft interface.
Table 11 on page 46
describes the alarm LEDs and alarm cutoff button in more detail.
Table 11: Alarm LEDs and Alarm Cutoff/Lamp Test Button
Shape
Color
Red
Yellow
–
SEE ALSO
MX2008 Craft Interface Serial Number Label | 523
MX2008 Router Overview | 25
LED Control
State
Name
On
Critical alarm
steadily
On
Warning alarm
steadily
–
Alarm cutoff/lamp
test button
Description
Indicates a critical
condition that can cause
the router to stop
functioning. Possible
causes include component
removal, failure, or
overheating.
Indicates a serious but
nonfatal error condition,
such as a maintenance
alert or a significant
increase in component
temperature.
Deactivates red and
yellow alarms. Causes all
LEDs on the craft
interface to light (for
testing) when pressed and
held.
46
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