Digiplexer 246 v2.5.x User Manual – 11/2010
Page 39
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Principles of Re-transmission / Acknowledgment
In the “Resend until acknowledged” mode, it is possible to set the maximum number of tries and the
acknowledgment timeout.
As long as an acknowledgement has not been received, the notification is re-transmitted at the rate of
once every <d> seconds, for a maximum of <n> times; where <d> and <n> are the <Ack Timeout> (1)
and <Max Retries> (2) fields respectively.
If acknowledgement does not arrive after <n> attempts, the notification will be “frozen”, that is to say, it
is put on standby until a new notification of the same type is generated. It can also be manually
unblocked by using the “Replay Traps" button.
It is important to note that untransmitted notifications are not lost. They are kept to be retransmitted as
soon as the right conditions are met. When a new notification appears, the “frozen" notification is
reactivated and a cycle of sending attempts begins again.
The alarm severity level can also be set: a specific manager action is associated with each severity
level.
Events triggering an SNMP notification
¾ General alarms
• EquipmentOn
(identifier: 161): sent right after the unit has been turned on.
• Heartbeat
(identifier: 168): sent regularly to confirm the unit keeps working properly.
To be set from the "SNMP agent" page.
• Configuration changed
(identifier: 169): sent when the configuration has changed.
• EquipmentFault
(identifier: 1610): sent on critical applicative error or system
breakdown.
¾ ScriptEasy application specific alarms
• ScriptEasy alarm
(Info) (identifier: 1610000): INFO type ScriptEasy event (event with
no distinct beginning or end).
• ScriptEasy alarm
(On/Off) (identifier: 1610001): ON/OFF type ScriptEasy event (event
marking the beginning or end of a state).
¾ Digiplexer application specific alarms
• Rf 3dB Alarm On
(identifier: 1620001): sent when there is a RF amplifier 3dB alarm.
• Rf 3dB Alarm Off
(identifier: 1620002): sent when the 3dB alarm is over.
• Rf VSWR Alarm On
(identifier: 1620003): sent when there is a RF amplifier VSWR
alarm.
• Rf VSWR Alarm Off
(identifier: 1620004): sent when the VSWR alarm is over.
¾ Hardware alarms
• Rf Temperature Alarm On
(identifier: 1620005): sent when the RF amplifier
temperature is too high.
• Rf Temperature Alarm Off
(identifier: 1620006): sent when the temperature alarm is
over.
• Fan is OFF
(identifier: 1620010): sent when the fan does not work.
• Fan is ON
(identifier: 1620011): sent when the fan starts working again.
• One PSU is OFF
(identifier1620012): sent when one of the power supply units does
not work.
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