Doorking 1812 Plus User Manual download pdf (Page 20)

1812-161-L-12-11

Be sure to properly ground ALL

1812s. See page 13 for

acceptable grounding sources.

Relay 2 to Access Control Device

To 16.5 VAC Supplied Transformer

Relay 1 to Access Control Device

Relay 2 to Access Control Device

Relay 1 to Access Control Device

1.10 Wiring Multiple 1812s - Intercom Mode

Cat5e

Main

Terminal

1970-010

Com

15 N.C.

14 N.O.

13 Com

12 N.C.

11 N.O.

RING

4 TIP

3 GND

2 TIP

1 RING

16.5

VAC

Relay 1

Relay 2

Power

Note: Each relay can control a

normally open OR normally close

access control device.

Main

Terminal

1970-010

Com

15 N.C.

14 N.O.

13 Com

12 N.C.

11 N.O.

RING

4 TIP

3 GND

2 TIP

1 RING

16.5

VAC

Relay 1

Relay 2

Power

Note: Each relay can control a

normally open OR normally close

access control device.

2nd 1812

See previous

page for

wiring and

information

on relays

and power

transformer.

See previous

page for

wiring and

information

on relays

and power

transformer.

To the next 1812’s PHONE OUT

terminals 4 and 5 wired in the series,

if desired.

Up to five (5) 1812s may be

wired in series using the method

shown: 1st 1812’s PHONE IN to

2nd 1812’s PHONE OUT; 2nd

1812’s PHONE IN to 3rd 1812’s

PHONE OUT, etc.

Each 1812 must have a unique

ATTENTION NUMBER (See 2.3.3)

and a unique MASTER CODE (See

2.2).

The 1812 that is the furthest away

from the phone or PBX / KSU

system must be programmed for

INTERCOM MODE. All other 1812

units in the series are

programmed for TELEPHONE

MODE (See 2.3.1).

1st 1812

Be sure to properly ground ALL

1812s. See page 13 for

acceptable grounding sources.

Ground 12 AWG Min.

Phone Out

Phone In

1st 1812

Phone Mode

2nd 1812

Phone Mode

3rd 1812

Phone Mode

4th 1812

Phone Mode

5th 1812

INTERCOM MODE

Phone Out

Phone In

Phone Out

7 8 9

4 5 6

7 8 9

4 5 6

1 2 3

7 8 9

4 5 6

7 8 9

4 5 6

7 8 9

4 5 6

Cat5e

Connect to Homeowner’s

Telephone

Connect the 1st 1812’s PHONE OUT

terminals directly to homeowner’s

phone or an un-used C.O. port on a

PBX or KSU system.

TIP

RING

TIP (+):

White/blue mark

RING (-):

Blue/white mark

Telephone Line

For complete information,

see page 12.

Check Polarity of Telephone Line

Check for polarity on the incoming telephone line to

each 1812 board and maintain polarity throughout

the telephone line to the homeowner’s phone. One

potential problem checked when a malfunction

occurs in a telephone entry system is to see if the

telephone line has been wired to each board with

the correct polarity.

Test Example: 1st 1812 board’s PHONE IN

terminals #1 and #2. Terminal #2 must be positive

(Tip +) with respect to terminal #1 (Ring -). Set a

VOM meter to measure DC volts. Place the positive

lead on terminal #2 and the negative lead on

terminal #1. If the meter shows a positive voltage

- OK. If the meter shows a negative voltage (needle

moves off scale to the left), reverse the wires on

terminals #1 and #2.

Older Lines

Green Wire (+)

Older Lines

Red Wire (-)

Maximum 1812 Wiring

Configuration

When multiple 1812 systems are

connected together, maintain

common polarity on ALL phone lines.

Phone In

(1-2)

Phone Out

(4-5)

Phone In

(1-2)

Phone Out

(4-5)

Phone

Jack

Cordless Phone Base Station

Cordless

Option

Remote phones throughout house.

Homeowner’s Phone

LAN/Cordless

Homeowner’s Phone

LAN/Cordless

RJ-11

Phone

Connector

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Doorking 1812 Plus User Manual Page 20

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