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TheLCDpanel hasabacklight.If the LCDpanel isidlefor60 seconds, thebacklight turns
off.Youcanturnon thebacklightbypressingtheMenu orEnterbuttononce.Afterturning
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: Thechassis viewer in the J-Webinterface alsodisplays the LCD panel. Fromthe
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 on page 14
•
LCD Panel Menus on page 15
LCD Panel Modes
The LCD panel operates in four modes: boot, idle, status, and maintenance.
TheLCD panel operatesin bootmode during switch reboot. Theboot 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 EX3200 switch, the first line of the LCD panel displays the hostname.
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 switchthat is a member of a VirtualChassis, the first line of the LCD panel
displays:
•
The slot number (the member ID for the Virtual Chassis member)
•
RoleoftheswitchinaVirtualChassis(REformaster,BKforbackup,and LCforlinecard
member)
•
Hostname
Inthe idlemode,the secondline displaysthe modeof the network ports’Status LEDand
the number of chassis alarms. The number of alarms is updated every second.
In the status mode, the second line displays:
•
Virtual Chassisport (VCP) status (for an EX4200 switch that is a member of a Virtual
Chassis)
•
Status of the power supply
•
Status of the fan and temperature
•
Version of Junos OS for EX Series switches loaded on the switch
Copyright ©2010,Juniper Networks,Inc.14
CompleteHardwareGuide forEX3200 andEX4200 EthernetSwitches