CBU-NM
User Manual
ii
80-60100000-02
3–2
3.3.1 Alert Processing
When an alert message arrives, it is processed and converted into an
alarm as shown in
Figure 3.1
.
Incoming
message
Legal alert
for device?
Poll number
in Database?
Valid alert
format?
Discard as
unreadable
N o
Y e s
Y e s
Y e s
Create Alarm:
'Unrecognised Alert'
Create Alarm:
'Unknown Device'
Create appropriate SNMP Trap
N o
N o
Create Alarm from
the Alert message
Modify the Network Database
Add alarm to Alarm Database
Legal alert
string?
Y e s
N o
Discard as
unreadable
Figure 3.1 - Alert processing
