Complete Hardware Guide for EX2200 Ethernet Switches

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.

Both LEDs can be lit simultaneously.

You can view the colors of the two LEDs remotely through the CLI by issuing the operational mode command show chassis led.

Related Front Panel of an EX2200 Switch on page 5

Documentation

Checking Active Alarms with the J-Web Interface

Understanding Alarm Types and Severity Levels on EX Series Switches

Network Port and Uplink Port LEDs in EX2200 Switches

Each network port and uplink port on the front panel of an EX2200 switch has two LEDs that indicate link/activity and port status. See Figure 5 on page 12 and Figure 6 on page 12.

Figure 5: LEDs on the Network Ports on the Front Panel

Link/Activity LED

Status LED

0 1

0 1

 

2 3

4 5

6 7

8 9

10 11

12 13

14 15

16 17

18 19

20 21

22 23

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Figure 6: LEDs on the Uplink Ports and Port Status Mode LEDs

Link/Activity

Status

Port status

LED

LED

mode LEDs

SYS

ALM

SPD

 

 

 

 

DX

0

1

2

3

EN

 

 

 

 

POE

Mode Port 0 Port 1 Port 2 Port 3 button

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Table 5 on page 12 describes the Link/Activity LED.

Table 5: Link/Activity LED on the Network Ports and Uplink Ports in EX2200 Switches

LED

Color

State and Description

Link/Activity

Green

Blinking—The port and the link are active, and there is link activity.

On steadily—The port and the link are active, but there is no link activity.

Off—The port is not active.

12

Copyright © 2010, Juniper Networks, Inc.

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Juniper Networks manual Network Port and Uplink Port LEDs in EX2200 Switches, Color State and Description