Open NIM configuration page of spectrum.
http://<OC_HOST>:<OC_PORT>/ca-nim-sm/ui/login.jsp
Login as nimadmin/nimadmin
Click on customizations
Configure the fields as below
CA Nim Field : Severity
Service Desk Field (remedy) : Urgency
Nim Default Value : Critical
Possible Values :
Critical=1000,Major=2000,Medium=3000,Minor=4000
Made Urgency field blank
CA Nim Field : Urgency
Service Desk Field (remedy) : <<Blank>>>
Nim Default Value : <<Blank>>>
Possible Values : <<Blank>>>
Save NIM Customization page
Spectrum Alarm Severity mapped to Remedy Urgency as below
Critical -> Critical
Major->High
Minor ->Low
Generate ticket and check.