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    Craft Interface in an EX9208 Switch

    The craft interface allows you to view status and troubleshooting information at a glance and to perform many system control functions. The craft interface is located on the front panel of the switch. It contains LEDs and on/off buttons for switch components, the alarm relay contacts, and alarm cutoff button.

    Figure 1 shows the craft interface on an EX9208 switch.

    Figure 1: Craft Interface in an EX9208 Switch

    Craft Interface in
an EX9208 Switch
      1
    Host subsystem LEDs
      6
    Alarm cutoff/lamp test button
      2
    Fan LEDs
      7
    Alarm relay contacts
      3
    Power supply LEDs
      8
    Switch Fabric LEDs and control buttons
      4
    Minor alarm LED
      9
    Line card LEDs and control buttons
      5
    Major alarm LED
     

    Note: At least one Switch Fabric (SF) module with a Routing Engine (RE) module must be installed in the switch for the craft interface to obtain power.

    The craft interface has the following components:

    Host Subsystem LEDs

    Each host subsystem has three LEDs, located on the upper left of the craft interface, to indicate its status. The LEDs grouped with label RE0 show the status of the host subsystem (RE module and SF module) in slot 0 and the LEDs grouped with label RE1 shows that status of the host subsystem in slot 1.Table 1 describes the functions of these LEDs.

    Table 1: Host Subsystem LEDs on the Craft Interface

    Label

    Status

    Description

    MASTER

    Green

    Host subsystem is functioning as the master.

    Unlit

    Host subsystem is either functioning as the backup or is not installed.

    ONLINE

    Green

    Host subsystem is online and is functioning normally.

    Unlit

    Host subsystem is either offline or not installed.

    OFFLINE

    Red

    Host subsystem is installed but Routing Engine is offline.

    Unlit

    Host subsystem is not installed.

    Fan LEDs

    The fan LEDs are located on the top left of the craft interface. Table 2 describes the functions of the fan LEDs.

    Table 2: Fan LEDs on the Craft Interface

    Label

    Status

    Description

    OK

    Green

    Fan is functioning normally.

    Unlit

    Fan is not installed.

    FAIL

    Red

    Fan has failed.

    Unlit

    Fan is not installed or functioning normally.

    Power Supply (PEM) LEDs

    Each power supply has two LEDs on the craft interface that indicate its status. The LEDs, labeled 0 through 3, are located on the craft interface next to the PEM label. Table 3 describes the functions of the power supply LEDs on the craft interface.

    Table 3: Power Supply LEDs on the Craft Interface

    Label

    Status

    Description

    OK

    Green

    Power supply is functioning normally.

    Off

    Power supply in not installed.

    FAIL

    Red

    Power supply has failed.

    Off

    Power supply is not installed or functioning normally.

    Switch Fabric LEDs and Control Buttons

    Each Switch Fabric module has two LEDs on the craft interface that indicates its status. The LEDs—OK and FAIL—are associated with control buttons 0 and 1 and are located along the bottom of the craft interface. You can turn the SF modules, installed in slot 0 and 1, on or off by pressing the buttons 0 and 1 on the craft interface. Table 4 describes the status of the SF module LEDs.

    Table 4: Switch Fabric Module LEDs on the Craft Interface

    Label

    Status

    Description

    OK

    Green

    On steadily—The SF module is functioning normally.

    Blinking—The SF module is coming online or going offline.

    Unlit

    The SF module is not online.

    FAIL

    Red

    The SF module has failed.

    Unlit

    The SF module is not installed or is not functioning normally.

    Line Card LEDs and Control Buttons

    Each line card has two LEDs—OK and FAIL —on the craft interface that indicates its status. The line card LEDs are associated with control buttons 0 through 5 and are located along the bottom of the craft interface. You can turn a line card online or offline by using its control button on the craft interface.
    Table 5 describes the function of the line card LEDs.

    Table 5: Line Card LEDs on the Craft Interface

    Label

    Status

    Description

    OK

    Green

    On steadily—Line card is functioning normally.

    Blinking—Line card is coming online or going offline.

    Unlit

    Line card is not online.

    FAIL

    Red

    Line card has failed.

    Unlit

    Line card is not installed or functioning normally.

    Alarm LEDs and Alarm Cutoff Button

    Two large alarm LEDs are located at the upper right of the craft interface. The circular LED called Major alarm LED lights to indicate a critical condition that can result in a system shutdown. The triangular LED called Minor alarm LED lights to indicate a less severe condition (warning) that requires monitoring or maintenance. Both LEDs can be lit simultaneously.

    A condition that causes an LED to lit also activates the corresponding alarm relay contact on the craft interface.

    The ACO/LT button, located next to the alarm LEDs, is a control button for alarms. You can press the ACO/LT button to deactivate red and yellow alarms. Deactivating an alarm turns off both LEDs and deactivates the device attached to the corresponding alarm relay contact on the craft interface.

    Table 6 describes the alarm LEDs and alarm cutoff button.

    Table 6: Alarm LEDs and Alarm Cutoff/Lamp Test Button

    Alarm LEDs and Button

    Status

    Description

    Major alarm LED

    Red

    Indicates a critical condition that can cause the switch to stop functioning. Possible causes include component removal, failure, or overheating.

    Minor alarm LED

    Yellow

    Indicates a serious but nonfatal error condition, such as warning for a maintenance or a significant increase in component temperature.

    Alarm cutoff/lamp test button

    Deactivates red and yellow alarms. Causes all LEDs on the craft interface to light (for testing) when pressed and held.

    Alarm Relay Contacts

    The craft interface has two alarm relay contacts for connecting the switch to external alarm devices (see Figure 2). Whenever a system condition triggers either the critical (MAJOR ALARM) or warning (MINOR ALARM) alarm on the craft interface, the alarm relay contacts are also activated. The alarm relay contacts are located on the upper right of the craft interface.

    Figure 2: Alarm Relay Contacts

    Alarm Relay Contacts
     

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    Published: 2013-04-02