Chapter 3

O peration

FRONT PANEL

The ESU 120e front panel monitors operation and controls the con- figuration of the unit. The ESU 120e front panel is shown in Figure 3-1. Descriptions of each part of the front panel follow.

Name

Description

 

 

LCD Window

Displays menu items and messages in two lines by 16

 

characters. It also displays alarm and status information.

 

 

Enter Key

Selects active menu items. To select a menu item, press the

 

number of the item. The menu item flashes, indicating it is

 

activated. Press Enter to select the menu item.

 

 

Up and Down

Up and Down Arrows scroll through and activate the

Arrows

submenu items available in the current menu. When the

 

submenu items are scrolled, the flashing cursor indicates the

 

active parameters.

 

 

Cancel Key

Pressing the Cancel key stops the current activity and returns

 

to the previous menu. Repeat until the desired menu level is

 

reached. When a submenu item is displayed, press Cancel to

 

exit the current display and return to the previous menu.

 

 

Numeric

The numeric keypad contains the numbers 0 through 9 which

Keypad

are used to activate menu items and enter information (such

 

as the IP address).

 

 

Shift(entering

Enter special function keys by pressing and holding Shift

special function

before pressing the key representing the desired character. See

keys)

Operation Keys on page 3-4 for a description of the function

 

keys. To activate a special function key rather than a number,

 

press Shift and then the button. If a key is pressed without

 

using Shift, the numbered item becomes active instead of the

 

special function key.

 

 

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ESU 120e User Manual

3-1

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Image 35
ADTRAN ESU 120e user manual Peration, Front Panel