Chapter 3. Operation3-8 TSU User Manual 61200060L1-1UTILThe Utility menu is used to view and to set systemparameters. This menu includes the following subitems.TIME/DATEAccesses the display and allows the setting of the currenttime and date.SOFTWARE VERSIONDisplays the version number of the current software revisionlevel. This information is required when requestingassistance from ADTRAN Customer and Product Service orwhen updates are needed.REINIT UNITUsed to reinitialize the unit. This menu item is not used torestore the factory default settings for all parameters.ADDRESSView and change the current Unit Address used for controlport access.FACT RESTORERestore factory default settings for all unit parameters.TESTThe Test menu is used to initiate different types of tests of theunit and to view test results. Test results are displayed in theLCD window. The menu contains three sub-items.NETWORK TESTSUsed to control the activation of loopbacks and the initiationof data test patterns.RUN SELF TESTUsed to execute an internal self test.PORT TESTSUsed for the testing of the DTE port.Executing tests will disrupt some normal operations. See individ-ual menu items concerning tests before executing.