Chapter 5. Configuration Menu

Map Exchange (Map Xchng)

The MAP EXCHANGE menu enables and sets the automatic time of day map switch. The unit provides selection of the hour, minute, and seconds for the map switching to take place.

The menu items are:

Menu Item

Description

 

 

OFF

Indicates the map in use does not change

 

(disabled).

 

 

AUTO

Indicates that the map in use will change at a

 

user-selected time of day (enabled).

 

 

1.Scroll to select AUTO to enable or OFF to disable the Automatic Map Change feature.

2.Press Enter to activate the selection.

3.When AUTO is selected, the unit displays the screens to set times for switching.

4.After editing Map A, press Enter to record the Map A settings and activate the selection fields for Map B.

5.Use the same operation to edit switching time for Map B.

When ESF is used with an FDL channel between units, the units automatically coordinate the automatic map switch by sending a map switch command from end-to-end over the FDL. Only one end needs to be set to Auto for this to work.

Map In Use: A(B)

The MAP IN USE menu item controls the DS0 map the TSU 120 uses and displays the map in current use.

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ADTRAN TSU 120e user manual Map Exchange Map Xchng, Map In Use AB, Off, Auto