User guide

Redundancy Modes
2/1553-FGC 101 1014 Uen B
E-6
E.2.4 Alarms
E.2.4.1 nCC
The alarms raised to an nCC in the event of a missing multicast are shown in
Table E.3.
Table E.3 Alarms Raised for a Missing Multicast
Multicast
Primary Input
Multicast
Secondary
Input
Alarm Raised
Present Present None
Present Missing Major
Missing Present Major
Missing Missing Critical
Note: Please refer to nCompass Control documentation for the definitions relating
to Major and Critical alarms.
E.2.4.2 Alarm Information
The following information is provided for each missing input multicast:
• Source IP address
• Destination IP address
• Destination UDP port
• Physical port and slot number associated with the missing multicast