Specifications

5
Chapter
82
Managing Alarms and Events
Thischapterdescribes:
•TheShelfManager’sroleinmanagingalarms.
•Howyoucanchangethealarmreportingbyassigningseveritiestosensorevents.
•TheShelfManagerinteractionswiththealarmfunctionsoftheshelves.
•HowyoucanoverridetheShelfManager’sdefaultuseoftheshelfalarmindicators.
Fortipsonrespondingtospecificalarms,seeChapter6,Troubleshooting,onpage 98.
Shelf Manager role in alarm management
TheShelfManagermonitorsconditionsofmodulesandothershelfcomponentsandcontrols
theiroperationtokeepthemworkingproperly.Itmonitorsthestatusoftheshelfandcorrects
problemswhennecessary.TheShelfManagerreportseventsandanomaliestoasystem
managerandrespondstoactionrequestsfromthesystemmanager.
Aspartofthisfunction,theShelfManagermaintainsthedomainalarmtable(DAT),alistofall
activealarms.Alarmsareadded tothetablewhenaconditionasserts,andareremovedwhen
theconditionde‐asserts.TheShelfManageralsoperformstelcoalarmmanagementas
definedintheAdvancedTCABaseSpecification.
Thehardwareplatforminterface(HPI)providesastandardapplicationprogramminginterface
(API)betweenthesystemmanagerandtheShelfManager.ThisAPIallowsthesystem
managertosubscribetosensorevents,interactwiththeDAT,andreadthedomaineventlog.
Note:ThereisnophysicalalarmsupportontheATCA‐6002shelf.Alarmsarestilladdedtothe
HPIdomainalarmtablebuttherearenophysicalalarmindicators(suchasLEDsoraudible
sounds)available.