Juniper EX4550 Hardware Guide

Table 11: Chassis Status LEDs in an EX4550 Switch (continued)
State and DescriptionColorLED Label
In a standalone EX4550 switch:
•
On steadily—The switch is functioning normally as master.
•
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.
GreenMST (Master)
A major alarm (red) indicates a critical error condition that requires immediate action.
A minor alarm (yellow) 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.
Related
Documentation
show chassis lcd•
• Checking Active Alarms with the J-Web Interface on page 246
• Understanding Alarm Types and Severity Levels on EX Series Switches on page 245
• EX4550 Switches Hardware Overview on page 3
Management Port LEDs in EX4550 Switches
The management port, which is on the front panel of an EX4550 switch, has two LEDs
that indicate link activity and status of the management port (see Figure 17 on page 29).
Figure 17: LEDs on the Management Port on an EX4550 Switch
g021406
2
3
1
1
3—1— Status LEDLink/Activity LED
2—Management port
Table 12 on page 30 describes the Link/Activity LED.
29Copyright © 2015, Juniper Networks, Inc.
Chapter 2: Chassis Components and Descriptions

Juniper EX4550 Specifications

Console Connection Settings

baud rate	9600
data bits	8
stop bits	1