All rights reserved. DoorKing, Inc. 120 Glasgow AvenueInglewood, California 90301 U.S.A. Phone: 310-645-0023Fax: 310-641-1586 Use this manual with the following models only. Model 1820 Telephone Intercom Systems with circuit board 1885-010, Rev A or higher. DoorKing, Inc. reserves the right to make changes in the products described in this manual without notice and without obligation of DoorKing, Inc. to notify any persons of any such revisions or changes. Additionally, DoorKing, Inc. makes no representations or warranties with respect to this manual. This manual is copyrighted, all rights reserved. No portion of this manual may be copied, reproduced, translated, or reduced to any electronic medium without prior written consent from DoorKing, Inc. Table of Contents Preface FCC (US) Notices.....................................................................................................................................................6 DOC (Canada) Notices.............................................................................................................................................7 General Information..................................................................................................................................................8 Section 1 – Installation 1.1 General Information...............................................................................................................................9 1.1.1 Main and Auxiliary Cabinet Information....................................................................................10 1.1.2 Garden Style Cabinet Information............................................................................................11 1.2 RJ71C Phone Block Installation............................................................................................................12 1.3 Cabinet, Relay and Component Identification.....................................................................................14 1.3.1 Main Control Cabinet................................................................................................................14 1.3.2 Auxiliary Cabinets.....................................................................................................................14 1.3.3 Line Interface Boards...............................................................................................................16 1.3.4 Power Supply Boards...............................................................................................................16 Section 2 – Wiring General Information..................................................................................................................................................19 2.1 Main Garden Style Cabinet......................................................................................................................20 2.2 Main Cabinet............................................................................................................................................21 2.2.1 Auxiliary Cabinets.....................................................................................................................22 2.3 Powered RJ71C Wiring............................................................................................................................23 2.3.1 Dual Line Interface Board Option.............................................................................................23 2.3.2 Dual RJ71C Option..................................................................................................................23 2.4 Circuit Board Connector Locations...........................................................................................................26 2.5 Main Circuit Board Terminal Description..................................................................................................27 Section 3 – Programming 3.1 System Set Up........................................................................................................................................29 3.1.1 Master Code.............................................................................................................................29 3.1.2 1882 Relay Board / 1884 Interface Board Selection................................................................29 3.1.3 Last Available Relay.................................................................................................................30 3.1.4 Setting the System Time Clock................................................................................................31 3.1.5 Set the Caller ID Number.........................................................................................................31 3.1.6 Set the Talk Time.....................................................................................................................31 3.1.7 Number of Rings / Ring Type..........................