Bell DDA-EXT-1 User Manual download pdf (Page 1)

Flats

ElectricalCupboard

DoorPanel

Phone

FailSecure

203,204

LockRelease

DDA-EXT-1/VR(S)

WiringforDDA ExtendedHaloSystems

Bell

System

340C

PowerSupply

PD-176Issue1

DDA

Interface

PCB

TOR

Speech

Unit

LOCK

TelephoneModels:

801801S801PS

500D500PD

(Telephones)Ltd

www.bellsystem.co.uk

These2

Connections

mustbe

doubledup

Call

Button

Call

Button

1 2

DoorPanel 1
Important Safety Information 2

Summary of Contents

Page 1 - DoorPanel

FlatsElectricalCupboardDoorPanelPhoneZIROTFailSecure203,204LockReleaseDDA-EXT-1/VR(S)WiringforDDA ExtendedHaloSystemsBellSystem-+340CPowerSu

Page 2 - Important Safety Information

InstallationofDoorEntrySystemsThe is designed to be wall-mounted in a convenient indoor location.The , containing the speech unit and DDA interfac