Adtran 4175043L2 Manual Do Utilizador

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Chapter 3. Configuration
61200659L1-1
MX2800 STS-1 User Manual
3-23
System Alarms
Alarm
Description
Protection Switching
Card Failure
A controller card has failed. This is a critical 
alarm only when the back-up card is not 
installed or is not working properly.
Protection 
Switch
All data has been routed from the primary card 
to the stand-by card.
Communication 
Fail
Communication between controller cards A and 
B has failed.
System Timing
Clock Status
When enabled, an abnormal clock status 
condition will cause the CRITICAL relay to be 
thrown.The alarm will remain active until the 
condition clears or the alarm is acknowledged 
by the user.
Clock Source 
Change
When enabled, a change in the clock source will 
cause the NON-CRITICAL relay to be thrown. 
The alarm will remain active until the condition 
clears or the alarm is acknowledged by the user.
PRI EXT Clock 
Status
When enabled, a fault condition (LOS/AIS or 
FAIL) on the PRImary or SEConday external 
clock will cause the NON-CRITICAL relay to be 
thrown. The alarm will remain active until the 
condition clears or the alarm is acknowledged 
by the user.
SEC EXT Clock 
Status
When enabled, a fault condition (LOS/AIS or 
FAIL) on the PRImary or SEConday external 
clock will cause the NON-CRITICAL relay to be 
thrown. The alarm will remain active until the 
condition clears or the alarm is acknowledged 
by the user.