Juniper Networks J-series Services Router J2320 - Manual (Page 56)

off and on again, we recommend waiting a few seconds between shutting it down
and powering it back up. Table 13 on page 34 describes the
STATUS LED.
Table 13: STATUS LED
Description State Color
Router is starting up or performing diagnostics. Blinking Green
Router is operating normally. On steadily
Error has been detected. Blinking Red
ALARM LED
The ALARM LED lights yellow to indicate a minor condition that requires monitoring
or maintenance and lights red to indicate a major condition that can result in a system
shutdown. When the condition is corrected, the light turns off. Table 14 on page 34
describes the
ALARM LED.
Table 14: ALARM LED
Description State Color
Major alarm indicates a critical situation on the router that
has resulted from one of the following conditions. A red
alarm condition requires immediate action:
■ One or more hardware components have failed.
■ One or more hardware components have exceeded
temperature thresholds.
■ An alarm condition configured on an interface has
triggered a critical warning.
On steadily Red
Minor alarm condition requires monitoring or maintenance:
■ Indicates a noncritical condition on the router that, if
left unchecked, might cause an interruption in service
or degradation in performance.
■ A missing rescue configuration or software license
generates a yellow system alarm.
On steadily Yellow
No alarms. Off Unlit
For information about alarm conditions and corrective actions, see “Chassis Alarm
Conditions” on page 209. For additional information, see the J-series Services Router
Administration Guide.
HA LED
The HA (high availability) LED is for future use. The LED lights when the router starts,
but otherwise remains unlit.
34 ■ J4350 and J6350 Services Router Hardware Features
J2320, J2350, J4350, and J6350 Services Router Getting Started Guide