Failed Self Test; Operation Alarms - ADTRAN 1200065L1-1 User Manual

Drop and insert option module
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Chapter 2. Installation

Failed Self Test

Operation Alarms

2-4
If the D & I module fails one or more of the self-tests, a
message is displayed in the LCD during power up. See TSU
100/600 User Manual. Specific failures of the D & I module
are identified in the Failure Message listings in the appendix
of this manual.
The red ALARM LED with the Module LEDs on the front
panel illuminates when an alarm condition is detected.
Drop and Insert Option Module User Manual
61200065L1-1

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