LCD Panel in EX4300 Switches

 

The LCD panel on the front panel of the EX4300 switches except EX4300-48MP and EX4300-48MP-S switches shows two lines of text, each with a maximum of 16 characters. The LCD panel displays a variety of information about the switch and also provides a menu to perform basic operations such as initial setup and reboot.

Note

There is no LCD panel on EX4300-48MP and EX4300-48MP-S switches.

There are two navigation buttons—Menu and Enter—to the right of the LCD panel.

See Figure 1.

Figure 1: LCD Panel in EX4300 Switches
LCD Panel in EX4300 Switches
  1
LCD panel
  3
LCD panel Menu button
  2
LCD panel Enter button
  4
Chassis status LEDs

The first line of text on the LCD panel displays basic information about the switch and the second line of text displays information about the mode selected on the LCD panel. You can configure the second line of the text for 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 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 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.

LCD Panel Modes

The LCD panel operates in four modes: boot, idle, status, and maintenance.

The first line of text on the LCD panel displays the slot number, the role of the switch, and hostname in all the modes.

For a standalone EX4300 switch, by default the slot number is 00, and the role is RE.

In an EX4300 switch that is a member of a Virtual Chassis, the first line of the LCD panel always displays:

  • The slot number (the member ID of the Virtual Chassis member)

  • Role of the switch in the Virtual Chassis (RE for master, BK for backup, and LC for line card member)

  • Hostname

The LCD panel operates in boot mode during switch reboot. In the boot mode, the second line of the LCD panel 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 (IDLE) menu.

In 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 status mode, the second line displays:

  • Status of the Virtual Chassis port (VCP)

  • Status of the power supplies

  • Status of the fan modules and the chassis temperature

  • Version of Junos OS for EX Series switches loaded on the switch

In maintenance mode, the second line displays one of the following options, which you can use to configure and troubleshoot the switch:

  • System halt

  • System reboot

  • Load rescue

  • Request VC port

  • Factory default

  • EZSetup

LCD Panel Menus

The LCD panel has three menus: Idle, Status, and Maintenance. You can toggle between the LCD panel menus by pressing the Menu button and navigate through the menu options by pressing the Enter button.

Table 1 describes the LCD panel menu options.

Table 1: LCD Panel Menu Options in EX4300 Switches

Menu Label

Description

IDLE

In the Idle menu:

STATUS

In the Status menu, press Menu to cycle through the following information:

  • VCPs status: Up or Down

    Display the status of VCPs on the switch. This option is supported only on EX4300 switches in a Virtual Chassis configuration. This option is not supported on standalone EX4300 switches.

  • Power supply status: OK, Failed, or Absent

  • Fan status and Temperature status.

    • Fan status: OK, Failed, or Absent

    • Temp status: OK, High, or Shutdown

  • Junos OS version for EX Series switches loaded on the switches.

  • EXIT STAT MENU?

    Choose one of the following:

    • Press Enter to exit the Status menu and go to the Maintenance menu.

    • Press Menu to display the VCPs status again.

You can disable the Status menu or the options in the Status menu in the LCD panel. See Configuring the LCD Panel on EX Series Switches (CLI Procedure).

MAINT (Maintenance Menu)

The Maintenance menu has the following options to configure and troubleshoot the switch:

  • SYSTEM HALT?—Choose one of the following:

    • Press Enter to halt the switch. Press Enter again to confirm the halt.

    • Press Menu to go to the next option in the Maintenance menu.

  • SYSTEM REBOOT?—Choose one of the following:

    • Press Enter to reboot the switch. Press Enter again to confirm the reboot.

    • Press Menu to go to the next option in the Maintenance menu.

  • LOAD RESCUE?—Choose one of the following:

    • Press Enter to roll back the switch to the previous valid configuration. Press Enter again to confirm the rollback.

    • Press Menu to go to the next option in the Maintenance menu.

  • REQUEST VC PORT?—Choose one of the following:

    • Press the Enter button to configure an uplink module port or a built-in QSFP+ port to be a VCP or to delete a VCP from the switch configuration (when you delete the VCP, the port is reset to be an uplink module port or a network port).

    • Press the Menu button to go to the next option in the Maintenance menu.

  • FACTORY DEFAULT?—Choose one of the following:

    • Press Enter to restore the switch to the factory default configuration. Press Enter again to confirm the restoration. The LCD panel flashes a success or failure message, after which it displays the Idle menu.

    • Press Menu to go to the next option in the Maintenance menu.

  • ENTER EZSETUP?—Choose one of the following:

    • Press Enter to launch EZSetup. Press Enter again to confirm the launch.

      EZSetup configures DHCP and enables the J-Web user interface on the switch. The LCD panel flashes a success or failure message for approximately 10 seconds, after which it displays the Idle menu.

      Note: You can use EZSetup only on a standalone switch that is in the factory default configuration.

      For information about EZSetup, see Connecting and Configuring an EX Series Switch (J-Web Procedure).

    • Press Menu to go to the next option in the Maintenance menu.

  • EXIT MAINT MENU?—Choose one of the following:

    • Press Enter to exit the Maintenance menu.

    • Press Menu to return to the SYSTEM HALT? option.

You can disable the Maintenance menu or the options in the Maintenance menu in the LCD panel. See Configuring the LCD Panel on EX Series Switches (CLI Procedure).