DMP Electronics XR2500F Smoke Alarm User Manual


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XR2500F Installation Guide Digital Monitoring Products
9
IntRoduCtIon
893A Dual Phone Line Module
7.1 Description
The893Aisadualtelephonelinesupervisionmodulethatallowsthepaneltoindicateaphonelinefailure
tothepremisesandthecentralmonitoringstation.Afterthe893Asensesafailureonthemainline,it
switchestothebackup,orsecondary,phoneline.The893Ainstallsontheremovablebackplateabovethe
XR2500F circuit board.
7.2 Connection
Thepre-wired893AconnectsthepaneltothepublictelephonenetworkthroughaninstalledDMP356RJ
CablebetweentheXR2500FpanelJ3connectorandthe893AModuleJ3connectorlabeledPANEL.
J2
DD
MPX
J1
DD
MPX
J3
PANEL
J4
MAIN
J5
BACKUP
P10
Factory pre-wired
to XR2500F panel
Phone Jack
Connector, J3
To Primary
telephone line
To Secondary telephone line
Communication Jumpers:
Both Set both Jumpers
Processor
Stopped Buzzer
Factory pre-wired
to XR2500F panel
J10 Connector
893A Dual Telephone Line Module
Figure 8: 893A Dual Phone Line Module Wiring
7.3 Jumper Settings
The893Amodulehastwosetsofjumpers.BothcommunicationjumpersmustbesetforDD(digitaldialer)
operation.Donotsetthe893AjumpersnexttoMPX.The893AModulesupportsmultiplexoperation,but
the XR2500F panel does not.
7.4 Digital Dialer
Youcancongurethe893Atoprovidetwolinesofdigitaldialer.Maximumlineimpedanceis100Ohms.The
XR2500FispresetatthefactoryforDigitalDialer.TheMainmodularjack(J4)isusedfortheprimarydigital
dialerline.TheBackupmodularjack(J5)isusedforthesecondarydigitaldialerline.
7.5 Phone Line Monitor
The893Ausesaphonelinemonitorforthemainandbackupphonelines.Whensendingareport,the893A
veriesthemainphonelineisworkingbeforesendingdata.Ifthelineisbad,themoduleteststhebackup
phoneline.The893Asendsthereportontherstworkingphoneline.
The phone line monitor has a two-minute trouble delay and a one-minute restore delay. Phone line trouble
isdisplayedintheFireCommandCenterLCDStatusListasaSystemTrouble.TheFireCommandCenter
LCDisfactoryprogrammedtodisplaysystemtroublesintheStatusList.
7.6 Processor Fail Buzzer
The893AmodulealsomonitorsthepanelCPUandsoundsatroublebuzzerwhenevereitherthepanel
processorisresetusingJ16ortheprocessorstopsfunctioning.
7.7 J10 893A Connector
The893ADualPhoneLineModuleconnectstotheXR2500FJ10.Refertothe893AInstallationSheet
(LT-0135)forcompleteinformation.
7.8 Ground start
Ground start phone service cannot be used on commercial or residential re applications.
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