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12.1.2
C
ONFIGURING
P
ORT
-
BASED
I
NPUT
R
EDUNDANCY
Port-based redundancy is set up under the
Redundancy
→
Input
node. Click on the
Add Port
button and the
Add Port Redundancy
dialog below will appear.
Main Port
Assign a main port
Backup Port
Assign a backup port
Mode
Select a suitable mode for each redundancy pair. The following modes are available:
Once
–
Switch from main to backup when an alarm occurs on main and remain
there
Floating
–
Switch when an alarm is set on the service that is active, ignore clear
alarms
Reverting
–
Switch to backup only if there is an alarm on main but not on
backup; switch back when alarms on main are removed or set on backup (this is
the recommended mode).
2.
When using port-based input redundancy, it is intended to have the same input structure for
both main and backup ports.
3.
Port-based input redundancy applies to transparent transport streams and imported PIDs.
12.1.3
A
LARMS THAT CAUSE
S
WITCHING
The system will automatically switch from main source to backup source based on the presence of alarms that
are selected in the
Redundancy Switching Triggers
page below.
Switching Delay
Parameter is added to mention the number of
seconds
for the module to switch
connections from one backplane to another when alarm occurs.
