Manual Chapter : Operating the LCD Panel

Applies To:

Show Versions Show Versions


  • 7.0.0, 6.1.0, 6.0.3


  • 8.0.0
Manual Chapter
The liquid crystal display, or LCD panel, provides the ability to control the unit without attaching a serial or network cable. The following menus are available on the LCD panel.
Information menu
Use the Information menu to find information about using the LCD panel and its functionality.
System menu
Use the System menu to reboot, netboot, or halt the unit. This menu also has options for setting the properties of the management interface (MGMT) and the serial port.
Screens menu
Use the Screens menu to set up the informational screens you would like the LCD panel to cycle through. The information screens include system status, statistics, and system alerts.
Options menu
Use the Options menu to configure the properties of the LCD panel.
You can configure the LCD panel to meet your needs. The following section describes how to perform a number of tasks with the LCD panel:
Normally, the screens cycle on the LCD panel at a constant rate. However, press the Check button to toggle the LCD panel between Hold and Rotate modes. In Hold mode, a single screen is displayed. The Rotate mode changes the screen displayed on the LCD panel every four seconds.
Pressing the X button puts the LCD panel in Menu mode. The buttons Left Arrow, Right Arrow, Up Arrow, and Down Arrow are functional only when the LCD panel is in Menu mode.
Press the X button, then use the arrow keys to navigate to the System menu.
Hold the X button for four seconds to power down the unit. We recommend that you halt the system before you power down the system in this manner.
Press the Check button to clear any alerts on the LCD screen. You must clear any alerts on the screen before you can use the LCD panel.
To use the LCD menus, you must first put the LCD panel in Menu mode. To put the LCD panel in menu mode, press the X button.
After you put the LCD panel in menu mode, use the Left Arrow, Right Arrow, Up Arrow, and Down Arrow buttons to select menu options. There are four menu options:
You can use the Information menu to access help pages about using the LCD panel functionality. You can also find more information on what different LED activity means, and on the failover state of the unit in a redundant system. Table 3.1 shows the options available on the Information menu.
Console and Failover serial port information
The System menu provides various options for rebooting, halting, or netbooting the hardware. This menu also provides options for configuring the network on the management interface. Table 3.2 lists the options available in the System menu.
Table 3.2 The System menu
Type in the default route for the management interface. This route is necessary if you plan to manage the unit from a different subnetwork.
Use this option to change the baud rate of the serial port. The following options are available:
You can use the Screens menu options to view various statistics and information about the system. Table 3.3, lists all the general information screens. You can use the Check button to place a check mark next to the name of the screens that you would want to display when the screens cycle.
Table 3.3 Screens menu
MACscreen (MAC addresses screen)
SysinfoScreen (System information screen)
TMMMemoryScreen (Memory usage)
TMMStatScreen (Statistics)
You can use the Options menu to adjust the display properties of the LCD panel. Table 3.4 lists the options available on the Options menu.
Use the Check button to turn on (checked) or off (cleared) the heartbeat displayed on the LCD screen. This heartbeat displays if the SCCP is running on the system. This heartbeat does not affect the failover mechanism of the system.
This setting controls the brightness of the LCD panel when the backlight is off. Use the Left and Right arrow keys to set the brightness of the LCD panel.