Chapter 2. Installation

Power Up Testing

When shipped from the factory, the TSU 120 is set to factory default conditions. At the first application of power, the unit automatically executes a memory self-test. A full self-test can be run from the front panel. A passcode and Unit ID may be set using the UTIL MENU.

Self-Test

Upon a power-up, the LCD displays MEMORY TEST NOW TESTING and the Test LEDs are illuminated. When the self-test is com- pleted with no failures detected, the OK LED lights up and the LCD momentarily displays MEMORY TEST(S) PASSED. If a fail- ure is detected, a list of failures is displayed in the LCD win- dow.

Initialization

Set User Passcode

The TSU 120 is designed to operate with or without the use of a passcode. The default condition is without a passcode.

If the unit is to be remotely accessed using T-WATCH Pro, you must enter a passcode. When managing a number of units, the passcode can be the same for all the units.

The passcode should be a number easily remembered. Once entered, the passcode is required to access any operation other than viewing. See Change/Set a Passcode on page 6-4for details.

Set Unit Identification

The Unit ID sets the unit to respond to remote control (con- trolled by a device other than the front panel or terminal). If no Unit ID is recorded it is not possible to operate from any remote control device, including the local PC for T-WATCH Pro or SNMP. See Unit ID on page 6-4for details.

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TSU 120 User Manual

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ADTRAN TSU 120e user manual Power Up Testing, Self-Test, Initialization, Set User Passcode, Set Unit Identification