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Craft Interface Front Panel

The craft interface allows you to view status and troubleshooting information at a glance and to perform many system control functions. It is hot-insertable and hot-removable. The craft interface is located at the upper front of the TX Matrix Plus router.

The front panel of the craft interface contains:

• SFC chassis number.
• Configuration (config) size.
• A four-line LCD display, along with six navigation buttons. The LCD display operates in Idle mode or alarm mode.
• Yellow Minor Alarm LED, red Major Critical Alarm LED.
• Alarm cutoff/lamp test ACO/LT button.
• Chassis Status Master and Standby LEDs.
• OK, FAIL, and ACT LEDs for each TXP-F13 SIB.
• OK and FAIL LEDs for the front and rear fan trays.
• OK and FAIL LEDs for each power supply.

LCD Modes

• LCD Display Idle Mode
• LCD Display Alarm Mode

LCD Display Idle Mode

During normal operation, the LCD display operates in idle mode and reports current status information, as shown in Figure 2.

The lines in the display report the following information:

• First line—TX Matrix Plus router name.
• Second line—Length of time the TX Matrix Plus router has been running, reported in the following form:
  Up days + hours:minutes
• Third and fourth lines—Status messages, which rotate at 2-second intervals. Some conditions, such as removal or insertion of a system component, can interrupt the messages.

To add a message that alternates every 2 seconds with the default status messages, use the set chassis display message command. For more information, see the Junos System Basics Configuration Guide.

LCD Display Alarm Mode

When a red or yellow alarm occurs, the LCD display switches to alarm mode and reports about the alarm condition, as shown in Figure 3.

The lines in the display report the following information:

• First line—TX Matrix Plus router name.
• Second line—Number of active alarms.
• Third and fourth lines—Individual alarm messages, with the most severe condition shown first. The prefix on each line indicates whether the alarm is a red (R) or yellow (Y) alarm.

LCD Navigation Buttons

The LCD Display has the following navigation buttons:

• Menu button
• Enter button
• Four arrow buttons for scrolling up or down, and left or right

Alarm Cutoff/Lamp Test Button

The alarm cutoff/lamp test button labeled ACO/LT is located below the alarm LEDs.

Figure 4 shows the alarm cutoff button.

Use the ACO/LT button to deactivate the red and yellow alarms. Pressing the button turns off both LEDs and deactivates the device attached to the corresponding alarm relay contact on the TXP-CIP. However, the LCD display continues to report the alarm message until the condition that caused the alarm is cleared.

To test the LEDs on the craft interface, press and hold the ACO/LT button. All the LEDs on the craft interface should light.