Juniper ACX7100-32C Hardware Manual page 23

1 ALM (Alarm)
—
2 SYS (System)
—
Table 5 on page 15 describes the chassis status LEDs on ACX7100-32C routers, their colors and states,
and the status that they indicate. You can view the colors of the three LEDs remotely through the CLI by
issuing the operational mode command show chassis led.
Table 5: Chassis Status LEDs on ACX7100-32C Routers
Name
ALM—Alarm LED
Color State
Unlit Off
Red On steadily
Blinking
Amber On steadily
Blinking
3 MST (Primary)
—
4 ID (Identification)
—
Description
The router is halted, or there is no
alarm.
A major hardware fault has occurred,
such as a temperature alarm or
power failure, and the router has
halted (except during a single rotor
failure in a fan module). Switch off
power to the router and unplug the
power cords. Correct any voltage or
site temperature issues, and allow
the router to cool down. Power on
the router, and monitor the power
supply and fan LEDs to determine
where the error is occurring.
Indicates the presence of a major
and a minor alarm.
A minor alarm has occurred, such as
a software error. Switch off power to
the router and unplug the power
cords. Power on the router, and
monitor the status LEDs to ensure
that Junos OS Evolved boots up
properly.
Indicates the presence of a major
and a minor alarm.
15