AT&TDigital Feedback Eliminatorand Auto-Page RepeaterInstallation and Use
IMPORTANT! Do not addjustitems 5, 6, 7, 8, and 9. Thesecontrols are factory set .Power light. Glows RED to indicate that power has been applied tothe
Installing the Hardware2ContentsImportant Safety Instructions Additional Safety Instruction for Installation PersonnelExample System SetupInstallation
This section provides complete instructions for mounting the DigitalFeedback Eliminator on a wall or table. It also illustrates all interfacerequireme
Additional Safety Instruction for Installation Personnel1.2.3.4.5.DO NOT install telephone wiring during a lightning storm.DO NOT install telephone ja
Example System SetupThe Digital Feedback Eliminator can be configured in several waysdepending on the paging system used. The following illustration s
Installation StepsThese are the general steps for installation.1.Mount the unit to the wall or table.2.Make cable connections from DFE to paging syste
Power Connections1.Make sure the 24 Vdc power supply is unplugged.2.Connect the minus (-) side of the power supply to terminal #19 ofthe RC-2 Pro inte
Using an RC-2 Pro Interface ConnectorThe RC-2 Pro Interface Connector (see Figure 2-3) attaches to theAmphenol Interface connector on the Digital Feed
Control InputsControl common (COM). Serves as common return for all control inputs(REC, PLAY, ABORT).Record control (REC). A closure between this inpu
Using an Amphenol ConnectorIf the RC-2 Pro lnterface is not appropriate for your application, you canreplace it by running a 25-pair cable with a fema
Copyright 1993 AT&TAll Rights ReservedWritten/Printed in U.S.A.NoticeEvery effort was made to ensure that the information in this guide was comple
Operation3ContentsAutomatic OperationSetting Option Switches Switch Block #1 Switch Block #23-23-23-33-5Operation 3-1
Automatic OperationOperation of the Digital Feedback Eliminator is automatic once installedand configured. When a page is made, the message is digitiz
Switch Block #1Note: If you change the setting Recording Length — This option sets the maximum duration of theof the Recording Length DIPrecorded mess
45Recording MethodNote: The Pre-Page Toneshould be disabled if the DigitalFeedback Eliminator is beingused with a zone paging system;otherwise, the pa
8Pre-Page ToneSwitch Block #2 Pre-Page Tone — This option instructs the unit to broadcast athree-second alert tone (the DTMF digit 0) before it plays
Warranty InformationALimited Warranty and Limitation of LiabilityAT&T warrants to you that the product will be free from defects in materialand wo
This limited warranty applies only to the product purchased directly fromAT&T or purchased directly from an authorized AT&T dealer.You may be
© 1993 AT&TAll rights reservedPrinted in U.S.A.AT&T 463-248-1070II722700-007Issue 2, November, 1993Graphics © AT&T 1988
Contents1.Overview About This GuideHow to Use This GuideReference MaterialsHow to Comment on This GuideShipping Container ContentsOrdering Informa
Overview1ContentsAbout This GuideHow to Use This GuideReference MaterialsHow to Comment on This GuideShipping Container ContentsOrdering InformationFe
The following paragraphs give a summary of this guide, and the featuresand installation summary for the AT&T Digital Feedback Eliminator (DFE).Abo
How to Comment on This GuideSend your comments and recommendations for changes to:M. McGinnis809 Calle PlanoCamarillo, CA 93012-8516FAX: (805) 987-254
Ordering InformationEquipment is available from many AT&T sources. Contact any of thefollowing for sales information and advice on the equipment t
SpecificationsTable 1-1. Digital Feedback Eliminator SpecificationsPhysical Maximum dimensions: 10.4" (26 cm) wide by 8" (20 cm) high by 1.
Hardware ConfigurationAT&TDTMF LEVEL(YELLOW)The information key that follows Figure 1-2, illustrates the location of eachof the Digital Feedback E
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