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EX3300 Chassis

 

Front Panel of an EX3300 Switch

The front panel of an EX3300 switch consists of the following components:

  • Network ports:

    • Depending on the switch model, 24 or 48 10/100/1000BASE-T Gigabit Ethernet ports (ports labeled 0 through 23 or 0 through 47)

    • Power over Ethernet Plus (PoE+) available in all network ports in EX3300-24P and EX3300-48P models

    • Power over Ethernet Plus (PoE+) not available in any network port in EX3300-24T, EX3300-24T-DC, EX3300-48T, and EX3300-48T-BF models

  • Four built-in uplink ports:

    • The uplink ports support 1-gigabit small form-factor pluggable (SFP) transceivers, 10-gigabit small form-factor pluggable (SFP+) transceivers, or a combination of these transceivers.

    • Ports labeled 0 and 1 are, by default, configured as network ports. You can configure these ports as Virtual Chassis ports (VCPs).

    • Ports labeled 2 and 3 are, by default, configured as VCPs. You can configure these ports as network ports.

  • Network port and uplink port LEDs

  • Three chassis status LEDs

  • LCD panel and the LCD navigation buttons

  • Air intake or air exhaust, depending on the switch model—The intake or exhaust is located immediately below the top edge of the front panel.

Figure 1 shows the front panel of an EX3300 switch with 48 Gigabit Ethernet ports. Figure 2 shows the front panel of an EX3300 switch with 24 Gigabit Ethernet ports.

Figure 1: Front Panel of an EX3300 Switch with 48 Gigabit Ethernet Ports
Front Panel of
an EX3300 Switch with 48 Gigabit Ethernet Ports
Figure 2: Front Panel of an EX3300 Switch with 24 Gigabit Ethernet Ports
Front Panel of
an EX3300 Switch with 24 Gigabit Ethernet Ports

Rear Panel of an EX3300 Switch

The rear panel of the EX3300 switch consists of the following components:

  • Management Ethernet port

  • USB port

  • Console port

  • Protective earthing terminal

  • Redundant power system (RPS) port

  • ESD point

  • Air intake or air exhaust, depending on the switch model

  • Serial number ID label

  • AC power cord inlet or DC power terminal block

Figure 3 shows the rear panel of an EX3300 switch with AC power supply.

The power cord retainer extends out of the chassis by 3 in. (7.62 cm).

Figure 3: Rear Panel of an EX3300 Switch with an AC Power Supply
Rear Panel of an EX3300
Switch with an AC Power Supply

Figure 4 shows the rear panel of an EX3300 switch with DC power supply.

Figure 4: Rear Panel of an EX3300 Switch with a DC Power Supply
Rear Panel of an EX3300
Switch with a DC Power Supply

LCD Panel in EX3300 Switches

The LCD panel on the front panel of the switch shows two lines of text, each of which can contain 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.

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

See Figure 5.

Figure 5: LCD Panel
LCD Panel

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 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.

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 EX3300 switch that is not a member of a Virtual Chassis, the first line of the LCD panel displays:

  • The slot number—For a standalone EX3300 switch, the slot number is always 00.

  • The role of the switch—For a standalone EX3300 switch, the role is always RE (for master).

  • Hostname

In an EX3300 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 EX3300 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

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

  • System halt

  • System reboot

  • Load rescue

  • Request VC port (for an EX3300 switch that is a member of a Virtual Chassis)

  • Factory default

  • System EZSetup

LCD Panel Menus

The LCD panel has three menus: Idle, Status, and Maintenance. Toggle between the LCD panel menus by pressing the Menu button. Navigate through the menu options by pressing the Enter button.

Table 1 describes the LCD panel menu options.

Table 1: LCD Panel Menu Options

Menu

Description

IDLE

In the Idle menu:

  • Press Enter to cycle through the Status LED modes:

    • SPD (speed)

    • ADM (administrative status)

    • DPX (duplex)

    • POE (Power over Ethernet)

    See Network Port and Uplink Port LEDs in EX3300 Switches for information on the Status LED modes.

  • Press Menu to exit the Idle menu and go to the Status menu.

STATUS

The Status menu has the following options:

  • Show VCP status—Choose one of the following:

    • Press the Enter button to display the Virtual Chassis port (VCP) status: Up, Down, Disabled.

      Note: This option is available only for an EX3300 switch that is a member of a Virtual Chassis configuration.

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

  • Show PSU status—Choose one of the following:

    • Press the Enter button to display the status of the power supply: OK, Failed, Absent.

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

  • Show Environment status—Choose one of the following:

    • Press the Enter button to display the status of the fan and temperature:

      • Fan status: OK, Failed, Absent

      • Temp status: OK, High, Shutdown

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

  • Show Junos version—Choose one of the following:

    • Press the Enter button to display the version of Junos OS for EX Series switches loaded on the switch.

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

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

    • Press the Enter button to exit the Status menu. Then press the Menu button to go to the Maintenance menu.

    • On an EX3300 switch that is a member of a Virtual Chassis configuration, press the Menu button to return to the Show VCP status option.

      Note: This option is available only for an EX3300 switch that is a member of a Virtual Chassis configuration.

If you do not want users to use Status menu options, disable the entire menu or individual menu options. 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 the Enter button to halt the switch. Press the Enter button again to confirm the halt.

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

  • SYSTEM REBOOT?—Choose one of the following:

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

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

  • LOAD RESCUE?—Choose one of the following:

    • Press the Enter button to roll back the switch to the rescue configuration. Press the Enter button again to confirm the rollback.

    • Press the Menu button 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 port in an EX3300 switch or to delete a VCP from the switch configuration.

      Note: This option is available only for an EX3300 switch that is a member of a Virtual Chassis configuration.

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

  • FACTORY DEFAULT?—Choose one of the following:

    • Press the Enter button to restore the switch to the factory default configuration. Press the Enter button again to confirm the restoration.

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

  • ENTER EZSETUP?—Choose one of the following:

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

      Note: You can use the ENTER EZSETUP option only if the switch is in the factory default configuration. For information about EZSetup, see Connecting and Configuring an EX Series Switch (J-Web Procedure).

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

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

    • Press the Enter button to exit the Maintenance menu. Then press the Menu button to go to the Idle menu.

    • Press the Menu button to go to the System Halt option.

If you do not want users to use Maintenance menu options, disable the entire menu or individual menu options. See Configuring the LCD Panel on EX Series Switches (CLI Procedure).

Chassis Status LEDs in EX3300 Switches

The front panel of an EX3300 switch has three chassis status LEDs labeled ALM, SYS, and MST on the far right side of the panel, above the uplink ports (see Figure 6).

You can view the colors of the LEDs remotely through the CLI by issuing the operational mode command show chassis lcd.

Figure 6: Chassis Status LEDs in an EX3300 Switch
Chassis Status
LEDs in an EX3300 Switch

Table 2 describes the chassis status LEDs in an EX3300 switch, their colors and states, and the status they indicate.

Table 2: Chassis Status LEDs in an EX3300 Switch

LED Label

Color

State and Description

ALM (Alarm)

Unlit

There is no alarm or the switch is halted.

Red

There is a major alarm.

Note: When you connect power to the switch, the Alarm (ALM) LED lights red. This behavior is normal. Plugging an active Ethernet cable into the management (MGMT) port on the switch completes the network link and turns off the ALM LED. (See Connecting a Device to a Network for Out-of-Band Management.)

Connecting the switch to a dedicated management console instead of a network does not affect the ALM LED. The LED remains red until the switch is connected to a network.

Amber

There is a minor alarm.

Note: The Alarm (ALM) LED lights amber if you commit a configuration to make it active on the switch and do not also create a rescue configuration to back it up. To save the most recently committed configuration as the rescue configuration, enter the operational mode command request system configuration rescue save.

SYS (System)

Green

  • On steadily—Junos OS for EX Series switches has been loaded on the switch.

  • Blinking—The switch is booting.

  • Off—The switch is powered off or is halted.

MST (Master)

Green

In a standalone EX3300 switch:

  • On steadily—The switch is functioning normally.

  • Off—The switch is powered off or is halted.

In a Virtual chassis configuration:

  • On steadily—The switch is the master in the Virtual Chassis configuration.

  • Blinking—The switch is the backup in the Virtual Chassis configuration.

  • Off—The switch is a linecard member in the Virtual Chassis configuration or is halted.

A major alarm (red) indicates a critical error condition that requires immediate action.

A minor alarm (amber) indicates a noncritical condition that requires monitoring or maintenance. A minor alarm that is left unchecked might cause interruption in service or performance degradation.

All three LEDs can be lit simultaneously.

Management Port LEDs in EX3300 Switches

The management port on the rear panel of an EX3300 switch has two LEDs that indicate link/activity and port status (see Figure 7).

Figure 7: LEDs on the Management Port on an EX3300 Switch
LEDs on the Management
Port on an EX3300 Switch

Table 3 describes the Link/Activity LED.

Table 3: Link/Activity LED on the Management Port on an EX3300 Switch

LED

Color

State and Description

Link/Activity

Green

  • Blinking—The port and the link are active, and there is link activity.

  • On steadily—The port and the link are active, but there is no link activity.

  • Off—The port is not active.

Table 4 describes the Status LED.

Table 4: Status LED on the Management Port on an EX3300 Switch

LED

LCD Indicator

State and Description

Status

SPD

Indicates the speed. The speed indicators are:

  • One blink per second—10 Mbps

  • Two blinks per second—100 Mbps

  • Three blinks per second—1000 Mbps

Each network port and uplink port on the front panel of an EX3300 switch has two LEDs that indicate link/activity and port status. See Figure 8 and Figure 9.

Figure 8: LEDs on the Network Ports on the Front Panel
LEDs on the Network Ports
on the Front Panel

Table 5 describes the Link/Activity LED.

LED

Color

State and Description

Link/Activity

Green

  • Blinking—The port and the link are active, and there is link activity.

  • On steadily—The port and the link are active, but there is no link activity.

  • Off—The port is not active.

The LEDs labeled Status LED in Figure 8 and Figure 9 indicate the status of one of the four port parameters—speed, administrative status, duplex mode, and Power over Ethernet Plus (PoE+) status. From the Idle menu of the LCD, use the Enter button on the LCD panel to toggle between the SPD, ADM, DPX, and POE, indicators.

Table 7 describes the Status LED on the network ports and table describes the Status LED on the uplink ports.

Table 6: Status LED on the Network Ports in EX3300 Switches

LED

LCD Indicator

State and Description

Status

LED: SPD

Indicates the speed.

The status indicators are:

  • Unlit—10 Mbps

  • Blinking—100 Mbps

  • On steadily—1000 Mbps

LED: ADM

Indicates the administrative status. The status indicators are:

  • On steadily—Port is administratively enabled.

  • Off—Port is administratively disabled.

LED: DPX

Indicates the duplex mode.

The status indicators are:

  • Green—Port is set to full-duplex mode.

  • Unlit—Port is set to half-duplex mode.

LED: POE

Indicates the PoE status.

The status indicators are:

  • On steadily—PoE is available on the port.

  • Blinking—PoE is available on the port, but no power is drawn from the port because of one of the following:

    • No device that draws power from the port is connected to the port.

    • A device that draws power from the port is connected to the port, but the device is not drawing any power from the port.

  • Unlit—PoE is not enabled on the port.

LED

LCD Indicator

State and Description

Status

LED: SPD

Indicates the speed.

The status indicators are:

  • Unlit—10/100 Mbps

  • Blinking—1000 Mbps

  • On steadily—10 Gbps

LED: ADM

Indicates the administrative status. The status indicators are:

  • On steadily—Port is administratively enabled.

  • Off—Port is administratively disabled.

LED: DPX

Indicates the duplex mode.

The uplink ports are always set to full-duplex; therefore, the LED for uplink ports is always green.

LED: POE

Indicates the PoE status.

PoE is not enabled on uplink ports; therefore, the LED for uplink ports is always unlit.