ADTRAN T1-FT1 user manual Power UP Testing and Initialization, Self Test

Models: T1-FT1

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Chapter 2. Installation

POWER UP TESTING AND INITIALIZATION

When shipped from the factory, the TSU is uninitialized and set to factory default conditions. At the first application of power, the unit will automatically execute self tests followed by an initialization sequence which sets up the unit.

Self Test

Upon a power-up or commanded self tests the LCD displays ADTRAN TSU INITIALIZING and the LEDs illuminate sequentially. When the self test is completed with no failures detected, the LCD will momentarily display ALL TESTS PASSED. If a failure is detected it is displayed in the LCD window. The automatic self test procedure consists of the following tests.

1.Board level tests.

RAM tests; EPROM checksum

On board data path. Sending a known test pattern through an on board loop.

2.Unit level tests.

Front Panel LED verification

Phase Lock Loop verify

2-6

TSU User Manual

61200060L1-1

Page 36
Image 36
ADTRAN T1-FT1 user manual Power UP Testing and Initialization, Self Test