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Owners Manual
Model 1812
Telephone
Intercom
Systems
DoorKing, Inc.
120 Glasgow Avenue
Inglewood, California 90301
U.S.A.
Phone: 310-645-0023
Fax: 310-641-1586
www.doorking.com
Owners Manual
P/N 1812-065 REV M, 3/07
Copyright 2001 DoorKing, Inc. All rights reserved.


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1812-065-M-3-07 Use this manual with the following models only.

All 1812 Telephone Intercom Systems with circuit board 1871-010 REV S 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.
1812-065-M-3-07
Page
3
TABLE OF CONTENTS
Preface
Important Notices......................................................................................................................................................6
General Information ..................................................................................................................................................7
Features ..................................................................................................................................................................8

Section 1 Installation & Wiring
Installation Guidelines ...........................................................................................................................................9
1.1
Surface Mount Units .................................................................................................................................10
Surface Mount Dimensions ......................................................................................................................11
1.2
Flush Mount Units.....................................................................................................................................12

Flush Mount Dimensions ..........................................................................................................................13
1.3
Wall Mount Units ......................................................................................................................................14
Wall Mount Dimensions............................................................................................................................15
1.3
By-Pass Switch Installation and Wiring ....................................................................................................16
1.4
Telephone Line Wiring Single Unit ........................................................................................................17
1.5
Telephone Line Wiring Multiple Units ....................................................................................................18
1.6
Intercom Mode Wiring Single Unit .........................................................................................................19
1.7
Intercom Mode Wiring Multiple Units.....................................................................................................20
1.8
Main Terminal Description........................................................................................................................21
1.9
Front Panel Terminal Description .............................................................................................................22

Section 2 Programming
2.1
Programming Information
2.1.1
Programming from the Keypad ................................................................................................23
2.1.2
Programming with a Personal Computer .................................................................................23
211.3
Programming with a Touch-Tone Telephone ...........................................................................23
2.2
PC Programming Setup
2.2.1 Master
Code.............................................................................................................................24
2.2.2
System Setup Code .................................................................................................................24
2.3
General Programming Information
2.3.1
Relay Strike Time .....................................................................................................................25
2.3.2 Tone
Open
Numbers................................................................................................................25
2.3.3
Phone / Intercom Mode ............................................................................................................26
2.3.4 Talk
Time..................................................................................................................................26
2.3.5 Answer
Incoming Call...............................................................................................................26
2.3.6
Number of Rings to Answer .....................................................................................................27
2.4
Time Functions Programming
2.4.1
Time Clock Programming.........................................................................................................28
2.4.2
Do Not Disturb Time Zone Programming .................................................................................28
2.4.3
Automatic Relay Activation Time Zones...................................................................................29
2.4.4
Entry Code Time Zones ...........................................................................................................29
2.4.5
Call Forward Time Zone...........................................................................................................30
2.4.6
Flash Code Programming ........................................................................................................30
2.5
Programming Dial-Out Functions
2.5.1
Call Forward Programming ......................................................................................................31
2.5.2
Call Forward On / Off ...............................................................................................................31
2.5.3 Preprogrammed
Phone
Numbers ............................................................................................31
2.6
Entry Code Programming
2.6.1
Four-Digit Entry Code Programming ........................................................................................32
2.6.2
Delete Four-Digit Entry Codes .................................................................................................32
2.6.3
Delete All Four-Digit Entry Codes ............................................................................................32

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1812-065-M-3-07 Section 3 Adjustments
Speaker
Volume .......................................................................................................................................33
Feedback
1...............................................................................................................................................33
Feedback
2...............................................................................................................................................33

Master Code Switch .................................................................................................................................33

Circuit Board Adjustment Locations .........................................................................................................34

Section 4 Operating Instructions
4.1
Calling the Resident .................................................................................................................................35
4.2 Call
Waiting ..............................................................................................................................................35
4.3 Preprogrammed
Phone
Numbers ............................................................................................................36
4.4 Entry
Codes..............................................................................................................................................36
Resident Operation Instructions
4.5
Call Forwarding Enable / Disable .............................................................................................................37
4.6
Call Forward Time Zone Enable / Disable................................................................................................37
4.7
Do Not Disturb Enable / Disable...............................................................................................................37
4.8
Entry Code Time Zone Enable / Disable ..................................................................................................38
4.9
Auto Relay Time Zones Enable / Disable.................................................................................................38
4.10
Auto Answer Enable / Disable..................................................................................