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)” on page 173.
The LCD panel has a backlight. If the LCD panel is 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 interfacealso 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” on page 39.
This topic describes:
•
LCD Panel Modes on page 14
•
LCD Panel Menus on page 15
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.
In an EX4200 switch that is not a member of a Virtual Chassis, the first line of the LCD
panel displays the slot number, the role of the switch, and hostname. For a standalone
EX4200 switch, the slot number is always 00 and the role is always RE (for master).
In an EX4200 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 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 (for an EX4200 switch that is a member of a Virtual
Chassis)
•
Status of the power supply
Copyright © 2017, Juniper Networks, Inc.14
EX4200 Switch Hardware Guide
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