RAD Data comm Vmux-210 Specifications Page 156

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  • TROUBLESHOOTING
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Chapter 6 Troubleshooting and Diagnostics Installation and Operation Manual
6-14 Handling Alarms Vmux-210 Ver. 1.1
6.3 Handling Alarms
Vmux-210 detects fault conditions and initiates alarms and events to alert the
user:
Alarms, or state alarms have two statuses, ON and OFF. The alarm status
changes to OFF, when a fault condition that caused it is cleared. Alarms have
two levels of severity, minor or major: major alarms are more
critical/dangerous to the system functionality.
Events, or event alarms have only ON status and serve to notify the user that
something important had happened, but not as dangerous to damage the
system functionality.
The user can control the alarm severity that causes the ALM LED to turn on.
Alarm Buffer
Vmux-210 maintains two alarm buffers:
Temporary buffer, represented as the Display All Alarms screen. All alarms,
including active alarms, can be deleted from this display.
Permanent buffer, represented as the Alarm Status screen. Only inactive
alarms can be deleted from the Alarm Status screen.
An alarm simultaneously enters both the Display All Alarms log and the Alarm
Status log, and the ALM LED lights to indicate the condition. In addition,
Vmux-210 displays the ALARM ON indication in the top right-hand corner of the
terminal screen. When the event that caused the alarm is cleared, the alarm
status changes to OFF, enabling the alarm to be deleted from the permanent
buffer.
Working with the Temporary Alarm Buffer
The temporary alarm buffer is represented as the Display All Alarms screen.
To display all alarms:
From the Main Menu, select Monitoring > Alarms > Display All.
Vmux-210 displays the temporary alarm buffer. The display includes the
alarm identification code, its severity, its status, and the generation date
and time.
To display all alarms in the permanent buffer:
From the Main Menu, select Monitoring > Alarms > Display Status.
To delete all alarms from the temporary buffer and all inactive alarms from the
permanent alarm buffer:
From the Main Menu, select Monitoring > Alarms > Clear.
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