Last 1812, Maximum 1812 wiring configuration – DoorKing 1812 Access Plus User Manual
Page 18
1812-162-M-1-12
16
J1
1
2
3
4
5
6
7
8
J4
J1
1
2
3
4
5
6
7
8
J4
Note: Each 1812 must be
programmed for MULTIPLE
SYSTEMS, have a unique
ATTENTION NUMBER (See
2.4.2 and 2.4.3) and have a
unique MASTER CODE (See
2.1).
Note: The 1812 that is
connected directly to the
homeowner’s phones (1st
1812) must have its
“Number of Rings”
programming set for 1 less
than the other 1812s wired
in series (See 2.4.9).
EARTH
GND
1
CENTRAL
OFFICE
PHONE
IN
PHONE
OUT
HOME
2
3
4
5
6
7
8
SW1
ENTRY
BY-PASS
1875-010
1
CENTRAL
OFFICE
EARTH
GND
PHONE
IN
PHONE
OUT
HOME
2
3
4
5
6
7
8
SW1
ENTRY
BY-PASS
1875-010
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
To 16.5 VAC Supplied Transformer
Relay 1 to Access Control Device
Relay 2 to Access Control Device
Relay 1 to Access Control Device
1.8 Wire Multiple 1812s: Telco/Internet - Telephone Mode
Cat5e
Cat5e
Cat5e
Cat5e
Cat5e
By-Pass Board
The By-Pass board is NOT optional and must be
installed as part of multiple 1812s “Telephone Mode”
system.
See page 11 for complete information.
Multiple 1812s:
PHONE IN #3 connects to 1st 1812 Main Term #1.
PHONE IN #4 connects to 1st 1812 Main Term #2.
PHONE OUT #5 connects to Last 1812 Main Term #5.
PHONE OUT #6 connects to Last 1812 Main Term #4.
J1
Main
Terminal
1970-010
18
17
16
Com
15
N.C.
14
N.O.
13
Com
12
N.C.
11
N.O.
10
9
8
7
6
5
RING
4
TIP
3
GND
2
TIP
1
RING
16.5
VAC
Relay 1
Relay 2
Power
J1
Main
Terminal
1970-010
18
17
16
Com
15
N.C.
14
N.O.
13
Com
12
N.C.
11
N.O.
10
9
8
7
6
5
RING
4
TIP
3
GND
2
TIP
1
RING
16.5
VAC
Relay 1
Relay 2
Power
Last 1812
See previous
2 pages for
wiring and
information.
See previous
2 pages for
wiring and
information.
See previous 2
pages for more
information
about Telco OR
Internet wiring.
Use the previous 2 page’s wiring diagrams and
information to wire multiple 1812s except for
the By-Pass board’s “PHONE IN” and “PHONE
OUT” terminal connections. Up to five (5) 1812s
may be wired in series to the By-Pass board
using the method shown on this page: 1st
1812’s PHONE OUT to 2nd 1812’s PHONE IN;
2nd 1812’s PHONE OUT to 3rd 1812’s PHONE
IN, etc. Connect the last 1812’s PHONE OUT
back to By-Pass board’s PHONE OUT.
1st 1812
Check Polarity of Telephone Line
See previous 2 pages for information.
Be sure to properly ground ALL
1812s. See page 13 for
acceptable grounding sources.
Ground 12 AWG Min.
Phone Out
Phone Out
Phone In
Phone Out
Phone In
Phone Out
Phone In
Phone Out
Phone In
Phone In
Phone In
Phone Out
Ground 12 AWG Min.
77
8
9
4
5
6
0
1st 1812
Phone Mode
(E.g.: 5 Rings)
2nd 1812
Phone Mode
(E.g.: 6 Rings)
3rd 1812
Phone Mode
(E.g.: 6 Rings)
4th 1812
Phone Mode
(E.g.: 6 Rings)
5th 1812
Phone Mode
(E.g.: 6 Rings)
7
8
9
4
5
6
0
7
8
9
4
5
6
0
7
8
9
4
5
6
0
7
8
9
4
5
6
0
Phone
Company
Internet
Homeowner’s Phones
(LAN/Cordless)
Maximum 1812 Wiring Configuration
Ground
12 AWG Min.
Phone In
(1-2)
Phone Out
(4-5)
Phone In
(1-2)
Phone Out
(4-5)
TIP
TIP
TIP
RING
RING
RING
TIP
RING
OR
Fiber / V
olP
Device
Phone
Jack
Phone
Jack
Homeowner’s
LAN/Cordless Phones
TIP
Older Lines
Green Wire (+)
Older Lines
Red Wire (-)
RING
OV
OV