61202129L1-1 TSU 120 User Manual 5-1Chapter 5 Configuration MenuThe C ONFIGURATION M ENU sets the TSU 120 operational config-uration, including all network interface parameters, the alloca-tion of the DS0s, and the port parameters. See CompleteConfiguration Menu on page 5-2.Menu flow is normally depicted from left to right. Arrows onthe lower right of the screen indicate the direction of scrollingto view additional menu items. At every level of the menu,pressing Cancel returns the system to the previous menu level.Pressing Cancel repeatedly returns the system to the M AINM ENU.