Juniper Networks J4350 - Manual (Page 38)

J4350 and J6350 Services Router Getting Started Guide
STATUS LED
When the system is powered on, the STATUS LED changes from off to blinking
green. Startup takes approximately 90 seconds to complete. If you want to turn the
system off and on again, we recommend waiting a few seconds between shutting
it down and powering it back up. Table 8 describes the
STATUS LED.
Table 8: Status LED
Color State Description
Blinking Router is starting up or performing diagnostics. Green
On steadily Router is operating normally.
Red Blinking Error has been detected.
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 9 describes the
ALARM LED.
Table 9: ALARM LED
Color State Description
Red On steadily 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.
Yellow On steadily 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.
Unlit Off No alarms.
For information about alarm conditions and corrective actions, see “Chassis
Alarm Conditions” on page 171. For additional information, see the
J-series Services Router Administration Guide.
18 J4350 and J6350 Services Router Hardware Features