Baseline Spec Template - NEXRAD Radar Operations Center

Document Number 2620002GCode Identification 0WY55WSR-88D ROCTBDDUAL POL - DRAFT3.2.4.1.1 RDA Alarm Message SummaryThis following table summarizes alarms generated by the CPCI-01 Program. Alarms are grouped byfunctional areas. Each alarm is described as it is seen displayed in the alarm message on the RDAHCI and at the RPG.The "CODE" column is the unique alarm number given for identification purposes.The "STATE" column indicates the state of the RDA as a result of the alarm indicated:MM = Maintenance MandatoryMR = Maintenance RequiredIN = InoperativeSEC = Secondary (secondary alarms are not specifically tied to a "STATE" change).N/A = Not applicableThe "ALARM TYPE" column indicates that alarms are classified as three different alarm typesbased on how alarms are reported to the RDA.ED - Alarms identified in the table as ED (Edge Detected) are reported every time the testassociated with the alarm fails consecutively for a number of times equal to the alarm reportingcount (see "Sample" column). Such alarms will be cleared (MSB set) when the test outcome firstpasses after the alarm is reported.OC - Alarms identified in the table as OC (Occurrence) are reported each time the outcome of theassociated test is FAILED.FO - Alarms identified in the table as FO (Filtered Occurrence) are reported each time the outcomeof the associated test is failed, but are not reported within 15 minutes of the last reporting.The "DEVICE" column indicates the hardware device area where the alarm has occurred (ifapplicable); acronyms under the DEVICE column are as follows:CTR = ControlPED = PedestalRCV = ReceiverSIG = Signal ProcessorCOM = RDA CommunicationsUTL = Tower/UtilitiesXMT= TransmitterThe “SAMPLE” column indicates the number of samples (failures) that must occur before this alarmis displayed.The "ALARM MESSAGE" column is an abbreviated description of the alarm message that isdisplayed at both the RDA and RPG.3-20