MX2800 M13 Multiplexer User Manual Installation and Operation, Section 261200290L1-1G 2-15LogoutThe Logout selection ends the terminal session and logs out of the system. A valid username and passwordare required before a new session can begin. The unit will also log out of a terminal session automaticallyif the session remains inactive for a certain period of time. For more information, see the section TerminalTime Out on page 3-33.Privilege LevelThe privilege level of the currently active terminal session is displayed in this field.ACO ButtonsThe ACO (alarm cut off) buttons turn off an active audible alarm. Since the buttons are recessed, use a penor other pointed instrument to press them. Once an ACO button deactivates an alarm, the alarm remainsdisabled until the condition has cleared.Alarms can also be turned off remotely by using a selection found in the Status menu. For moreinformation, refer to Acknowledge Alarms (ACO) on page 4-6.LED DescriptionsThe MX2800 has LED status indicators for the power supplies, the DS3 state, the controller cards, and theindividual T1s/E1s. These LEDs are identified below:Power Supply A/B Status LEDsThe PWR LED is active when the unit is on and receiving full power. The CHK LED is active when thepower supply is failing or is providing low power and needs to be checked.Controller Cards Status LEDsThe STATUS LEDs apply to the two controller cards. The LEDs provided are ACT (active), DS3, ALM(alarm), and PRF (performance). Various conditions are indicated by the state of the LED (its color andwhether it blinks, alternates color, or is on solid). The condition descriptions vary depending on whetherthe LED represents the active controller card or the controller card on standby. The following tablesprovide LED definitions for the active cards (see Table 2-3 on page 2-16) and T1/E1 cards (see Table 2-4on page 2-17).
