The LCD panel has a backlight. If the LCD panel remains idle for 60 seconds, the backlightturns off. You can turn on the backlight by pressing the Menu or Enter button once. Afterturning on the backlight, you can toggle between the LCD panel menus by pressing theMenu 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 theLCD panel. See the description of the J-Web dashboard for J-EX Seriesswitches in the Dell PowerConnect J-Series Ethernet Switch Complete SoftwareGuide for Junos OS at http://www.support.dell.com/manuals.This topic describes:• LCD Panel Modes on page 14• LCD Panel Menus on page 14LCD Panel ModesThe 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 thekey milestones in the switch boot process. The boot mode does not have any menuoptions. After the boot process is complete, the LCD panel automatically reverts to theIdle menu.When the LCD panel is in idle, status, or maintenance mode, you can perform basic setupand maintenance and display switch status. (See Table 5 on page 15.)The first line of the text on the LCD panel displays the slot number, the role of the switch,and the hostname. For a standalone J-EX4500 switch, the slot number is always 00 andthe role is always RE.In a J-EX4500 switch that is a member of a Virtual Chassis, the first line of the LCD paneldisplays the following information:• Slot number—the member ID for the Virtual Chassis member• Role of the switch in a Virtual Chassis—RE for the master switch, BK for a backup switch,and LC for a linecard member switch• HostnameLCD Panel MenusThe LCD panel has three menus: Idle, Status, and Maintenance. You can toggle betweenthe LCD panel menus by pressing the Menu button and navigate through the menu optionsby pressing the Enter button.Table 5 on page 15 describes the LCD panel menu options.14Dell PowerConnect J-Series J-EX4500 Ethernet Switch Hardware Guide