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Chapter 2. Installation
2-8
TDU 120e User Manual
61202156L2-1
POWER UP TESTING
When shipped from the factory, the TDU 120e is set to fac-
tory 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 terminal. A passcode and
unit ID may be set using the
U
TILITY
menu. See page 6-3.
Self-Test
The full self-test procedure (invoked from the terminal or
T-Watch PRO) consists of the following tests:
When... Then...
Initiating a self-test
The terminal displays System Self-test Now
Testing and Memory Test Now Testing. The test
LEDs are illuminated.
The self-test is completed All LEDs go back to their normal state. The terminal
momentarily displays System Self-test Tests
passed.
A failure is detected
A list of failures is displayed on the terminal.
Type of Test
Explanation
Board level tests
The TDU 120e contains an on-board processor which
executes a series of tests checking the circuitry on the
board.
RAM and EPROM tests
Verify on-board circuitry
Unit level tests
Front panel LED verification
Board-to-board interface test
A test pattern is sent from the controller through a loopback
on all other boards and checked on the controller. This
verifies the data path, clocks, and control signals for the
entire chassis.
Содержание 1202155L1
Страница 1: ...TDU 120e User Manual Part Number 1202156L2 1202155L2 September 2001 61202156L2 1C...
Страница 20: ...Table of Contents xx TDU 120e User Manual 61202156L2 1...
Страница 22: ...List of Figures xxii TDU 120e User Manual 61202156L2 1...
Страница 24: ...List of Tables xxiv TDU 120e User Manual 612022156L2 1...
Страница 42: ...Chapter 2 Installation 2 12 TDU 120e User Manual 61202156L2 1...
Страница 92: ...Chapter 5 Configuration Menu 5 30 TDU 120e User Manual 61202156L2 1...
Страница 108: ...Chapter 7 Test Menu 7 12 TDU 120e User Manual 61202156L2 1...
Страница 116: ...Chapter 8 Remote Management Menus 8 8 TDU 120e User Manual 61202156L2 1A...
Страница 124: ...Appendix A Understanding SNMP A 8 TDU 120e User Manual 61202156L2 1...