Table 2-1. Self-Test Results - ADTRAN ESU LT User Manual

Test
Self-Test
(power-up or
commanded)
61200410L2-1A
Results
The LCD displays
LEDs illuminate sequentially.
If the self-test is completed with no detected failures, the
LCD momentarily displays
If a failure is detected during the self-test process,
the failure is displayed in the LCD window.
The automatic self-test consists of the following tests:
• Board-level tests
• Random access memory (RAM) tests; erasable pro-
grammable read-only memory (EPROM) checksum
• On-board data path (sending a known test pattern
through an on-board loop)
• Unit-level tests
• Front panel LED verification
• Phase lock loop verify
ESU LT User Manual

Table 2-1. Self-Test Results

ADTRAN ESU LT INITIALIZING
ALL TESTS PASSED
Chapter 2. Installation
, and the
.
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