Polycom RealPresence 4000 Administrator's Manual page 694

Polycom® RealPresence Collaboration Server (RMX) 1500/2000/4000 Administrator's Guide
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A dialog box opens with a list of event triggers displayed.
Select the appropriate Hot Backup Triggers check boxes:
Table 21-22 Hot Backup Triggers
Hot Backup Trigger
Lost connection with
management port
Lost connection with media port
Lost connection with signalling
port
Lost connection with ISDN card
Alternatively, click the Trigger Failover Manually button when you want to trigger the
Hot Backup manually and activate the Slave MCU.
A confirmation message is displayed.
Click Yes to continue the Hot Backup process or click No to cancel the Hot Backup
process.
Description
Initiates the Hot Backup switch from the Master to the
Slave MCU when the connection to the management port
is lost on the Master MCU. This trigger is always set.
Initiates the Hot Backup switch from the Master to the
Slave MCU when the connection with an active media port
is lost on the Master MCU.
Initiates the Hot Backup switch from the Master to the
Slave MCU when the connection with an active signalling
port is inactive for a duration of 30 seconds on the Master
MCU. A system flag, ETH_INACTIVITY_DURATION, can
be added and configured to modify the duration of
inactivity of the signalling port. Default value is 30
seconds; Minimum value is 20 seconds.
Initiates the Hot Backup switch from the Master to the
Slave MCU when the connection with an ISDN card is
disconnected on the Master MCU.
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