RADWIN2000UserManual Release2.8.30 E‐1
AppendixE:
ExternalAlarmsSpecification
ExternalAlarmsSpecification
TheIDU‐CandIDU‐EsupportexternalinputandoutputalarmsthroughastandardDB25pin
femaleconnector(seepageB‐3forpinoutdetails).
Inputalarms
Theinputalarmsareraisedbyeventsfromexternalequipment,suchasa
firewarning,dooropenorairconditionerfailure.Theyareuserdefined.
Outputalarms
Outputalarmsaregeneratedthroughdrycontactrelaystoindicate
varioussystemeventssuchassync‐lossordisconnection.Analarmis
raisedifatleastoneoftheconditionsinoneofthetablesbelow,ismet.
IDU‐CandIDU‐EAlarms
TableE‐1:IDU-C/E - Output Alarms Description
Alarm Description AlarmOnConditions AlarmOffCondition
Output1
Airinterface
Alarm
•Linkisdown
•Linkininstallation
mode
•Linkauthentication
problem
Linkisuporequipmentalarm
isON
Output2
Equipment
Alarm
•BuiltinTest(BIT)error
•Noconnectiontothe
ODU
BothODUandIDUarein
operationalstate