Chassis Status Leds On Ex4100 And Ex4100-F Switches - Juniper EX4100 Hardware Manual

Chassis Status LEDs on EX4100 and EX4100-F Switches

EX4100 and EX4100-F switches have four chassis status LEDs (labeled SYS, ALM, MST, and CLD) on
the rightside of the front panel .
Figure 36: Chassis Status LEDs in EX4100 and EX4100-F Switches
Chassis status LEDs
1
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Table 6 on page 41 describes the chassis status LEDs labeled SYS, ALM, and MST on an EX4100 and
EX4100-F switch. The table also describes their colors and states and the status each LED indicates. You
can view the colors of the LEDs remotely through the CLI by issuing the show chassis led operational
mode command. All LEDs can be lit simultaneously.
Table 6: SYS, ALM, and MST Chassis Status LEDs on EX4100 and EX4100-F Switches
LED Label
SYS
Color
Green
Unlit
State and Description
•
On steadily—Junos OS for EX Series switches is
loaded on the switch.
•
Blinking—The switch is booting.
The switch is powered off or is halted.
41