Customizing DSX-1-Compatible Units4-2 7924-A2-GB20-10PRELIMINARY DRAFTJune 1997 The “G123” code indicates the unit powered up successfully. Enter “?” to redisplay the menu from the Command prompt. The CP unit is also known as an HTU-R. A unit on the CO side is an HTU-C.Each unit allows you to monitor the unit on the other side. Therefore, CPunits have an option “HTUC Menu” and CO units have an option “HTURMenu”. These options allow you to display information about the far-end unit. CO units have two additional options for Local Loopback and RemoteLoopback. This guide depicts the system terminal menus as they appear from a CP unit.This is the default configuration for Model 7924 standalone units.Making Changes from the Terminal InterfaceThe Board Configuration menu displays the current board software and hardwaresettings. It also allows you to change certain parameters on the board.This function is affected by the status of the switchpack (DIP switch control)setting. When operating in Terminal Mode (the system default) you can makeconfiguration changes through the terminal menus. When operating in Switchpack Mode, you can display configurationparameters using the terminal menus, but any configuration changes must bemade using the switchpacks and jumpers on the board hardware. Refer toMaking Changes in Switchpack Mode on page 4-5.From the Main Menu, select option 3, Board Configuration.