Chapter 4. Status Menu

Table 4-1. Alarm Message Display

Active Alarms

Network (Ni)

Red Alarm

Loss Of Signal

End Of List

View History

This menu item both displays and clears the accumulated status changes of the unit.

VIEW HISTORY displays a history of the last 20 status changes in the unit, including the date, time, and type of change. The unit also records for viewing the date and time an alarm became active and inactive, as well as the date and time of test activation and deactivation.

To clear the VIEW HISTORY display, press C.

Port Status

PORT STATUS displays the signals monitored on the data ports. For example, the Nx/DBU interface monitors the RTS, CTS, RD, and RD, along with other signal lines.

When a port is selected, the terminal indicates if the signal is present.

The base Nx interface shows the status screen listed in this section. When using other option cards, refer to the ap- propriate separate manual for a definition of any status screens offered.

The PORT STATUS of Nx/DBU shows how to use this item.

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ADTRAN TDU 120e user manual View History, Port Status