Network Technologies ASI-IP-GTW 用户手册

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ASI-IP-GTW User's Manual 
 
 Page 
65 
The WEB interface gives the most detail alarm information as all active 
alarms and warning are listed with time when the alarm condition 
occurred. 
The unit sends an SNMP trap message when an alarm condition rises. 
A critical alarm will have severity level 6 and a warning will have 
severity level 3. When the alarm is cleared, a new message is sent to 
indicate that the alarm condition is cleared.  
Finally, the red alarm LED will illuminate when an unmasked alarm 
condition rises. At the same time the alarm relay will be in an alarm 
state.