Chapter 4 Operation; Menu Navigation - ADTRAN 1200051L1 User Manual

Dual port isdn service unit
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MENU NAVIGATION

Moving through the various menu selections on the ISU 2x64 is a
simple task. Four function keys on the left-hand side of the key-
pad allow the user to enter, exit, and scroll through the various
menu branches. The four function keys are defined below.
To aid the reader, function keys are represented in bold, initial caps text.
Selectable menu items and messages displayed on the LCD are represent-
ed in bold type as they appear on the LCD.
Enter
Up arrow
Down arrow
Cancel
Press either the Up or Down arrow to scroll through the menu
tree. To choose an item, press the corresponding number on the
keypad. The item blinks to show it is selected. Press Enter to
select the item. Press Cancel to exit back through the menu tree.
It is important to note that some features in the ISU 2x64 do not
immediately take effect upon selection. This prevents uninten-
tional reconfiguration of the ISU 2x64 during an active call. S-
BUS termination takes effect only when the unit is powered up.
To ensure the ISU is actually performing as configured, cycle the
power off then back on again, especially after changing ISDN
61200051L1-1D
Enters the selected item.
Scrolls up a menu tree.
Scrolls down a menu tree.
Exits (back one level) from the current
branch of the menu.
ISU 2x64 Dual Port ISDN Service Unit User Manual
Chapter 4
Operation
17

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