Avaya 555-233-116 manual Using the 7400A menu system, Powering up the 7400A

Data modules and asynchronous data units

Figure 14. 7400A asynchronous data module

Using the 7400A menu system

On the 7400A, you select communications settings using the controls on the front panel of the device. An LCD displays the configuration menus. You use the NEXT/NO and BACK buttons to navigate through the menus and the ENTER/ YES button to select values.

Powering up the 7400A

When you power up the 7400A, the POWER TEST and DATA LEDs light up, and the 7400A data module displays the HOME screen on the LCD. The figure below represents a typical home screen. Dashes indicate a lead that is connected, ovals a lead that is not.

58 Issue 4 October 2002 555-233-116