Network Port And Uplink Port Leds In Ex3300 Switches; Figure 7: Leds On The Network Ports On The Front Panel - Juniper EX3300 Complete Hardware Manual

Table 7: Chassis Status LEDs in an EX3300 Switch (continued)
LED Label
MST (Master)
Related
Documentation

Network Port and Uplink Port LEDs in EX3300 Switches

Copyright © 2015, Juniper Networks, Inc.
Color
Green
A major alarm (red) indicates a critical error condition that requires immediate action.
A minor alarm (amber) indicates a noncritical condition that requires monitoring or
maintenance. A minor alarm that is left unchecked might cause interruption in service or
performance degradation.
All three LEDs can be lit simultaneously.
Front Panel of an EX3300 Switch on page 6
Checking Active Alarms with the J-Web Interface
Understanding Alarm Types and Severity Levels on EX Series Switches
Each network port and uplink port on the front panel of an EX3300 switch has two LEDs
that indicate link/activity and port status. See

Figure 7: LEDs on the Network Ports on the Front Panel

Link/Activity LED Status LED
0
1
0 2 4 6 8 10 12 14
1 3 5 7 9 11 13 15
State and Description
In a standalone EX3300 switch:
On steadily—The switch is functioning normally.
Off—The switch is powered off or is halted.
In a Virtual chassis configuration:
On steadily—The switch is the master in the Virtual Chassis
configuration.
Blinking—The switch is the backup in the Virtual Chassis
configuration.
Off—The switch is a linecard member in the Virtual Chassis
configuration or is halted.
Figure 7 on page 17
16 18 20 22
17 19 21 23
Chapter 2: Component Descriptions
and Figure 8 on page 18.
17