Table 22: Alarm Leds And Alarm Cutoff/Lamp Test Button - Juniper MX2020 Hardware Manual

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Copyright © 2015, Juniper Networks, Inc.

Table 22: Alarm LEDs and Alarm Cutoff/Lamp Test Button

Shape Color
Red
Yellow
–
MX2020 Craft Interface Description on page 37
MX2020 Alarm Relay Contacts on the Craft Interface on page 41
MX2020 Router Overview on page 3
Chapter 4: Alarm and Display Components
State LED Control Name
On steadily Critical alarm
On steadily Warning alarm
– 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.
43