You can configure the second line of the LCD panel to display a custom message. If the
LCD panel is configured to display a custom message, the
Menu
button and the
Enter
button are disabled. See
Configuring the LCD Panel on EX Series Switches (CLI Procedure)
.
The LCD panel has a backlight. If the LCD panel remains idle for 60 seconds, the backlight
turns off. You can turn on the backlight by pressing the
Menu
or
Enter
button once. After
turning on the backlight, you can toggle between the LCD panel menus by pressing the
Menu
button and navigate through the menu options by pressing the
Enter
button.
NOTE:
The chassis viewer in the J-Web interface also displays the LCD panel.
From the J-Web interface, you can view real-time status information in the
LCD panel. See Dashboard for EX Series Switches.
This topic describes:
•
•
LCD Panel Modes
The LCD panel operates in four modes: boot, idle, status, and maintenance.
The LCD panel operates in boot mode during switch reboot. The boot mode displays the
key milestones in the switch boot process. The boot mode does not have any menu
options. After the boot process is complete, the LCD panel automatically reverts to the
Idle menu.
The first line of text on the LCD panel displays the slot number, the role of the switch,
and hostname. For a standalone EX4500 switch, the slot number is always 00, and the
role is always RE.
In an EX4500 switch that is a member of a Virtual Chassis, the first line of the LCD panel
displays:
•
The slot number (the member ID for the Virtual Chassis member)
•
Role of the switch in a Virtual Chassis (RE for master, BK for backup, and LC for linecard
member)
•
Hostname
In the idle mode, the second line of text on the LCD panel displays the mode of the
network ports’ Status LED and the number of chassis alarms. The number of alarms is
updated every second.
In the status mode, the second line displays:
•
Virtual Chassis port (VCP) status (supported only on EX4500 switches in a Virtual
Chassis configuration running Junos OS Release 11.1 or later. This option is not supported
on standalone EX4500 switches.)
•
Status of the power supplies
Copyright © 2015, Juniper Networks, Inc.
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Complete Hardware Guide for EX4500 Ethernet Switches
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