Perle Systems Perle IOLAN DS1 - Manual (Page 148)

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148 IOLAN DS1/TS2 User’s Guide, Version 3.4
Alarm Settings
Analog and Temperature input models support an Alarm mechanism in which you can specify up to
five severity levels of alarm triggers and clear levels; the alarm triggers/clear levels can activate in
either increasing or decreasing severity levels.
Each time an alarm is triggered or cleared, you can specify any combination of the following to be
initiated:
z An SNMP trap
z A message to syslog
Basic Analog Alarm Settings
The basic Analog Alarm Settings window allows you to configure one severity alarm, whereas the
advanced window allows you to configure up to five severity alarm levels.
Configure the following parameters:
Trigger alarm
when input value is Specify the value that will trigger an alarm, the measurement is based on the
Type and Range that you specify. This value must not fall within the scope of
the value used to clear an alarm.
Clear alarm when
input value is Specify that value that will clear an alarm, the measurement is based on the
Type and Range that you specify. This value must not fall within the scope of
the value used to trigger an alarm.
Send Syslog Alert When enabled, sends a message to syslog when an alarm is triggered or
cleared. The syslog entry includes the severity level and the value that caused
the alarm to trigger or clear. The syslog message is associated with
Level
Critical .
Default: Disabled
Send SNMP Alert When enabled, sends an SNMP trap when an alarm is triggered or cleared. The
trap consists of the severity level and whether the alarm was triggered or
cleared.
Default: Disabled