DoorKing 1837 Owner's Manual page 65

1835 Wiring Schematic
LCD Display (Single Line Display)
Microphone
Green
White
Red
UL 294
Tamper
Switch
White
White
1835-067-A-9-18
DOORKING 1896-019
Lighted
Keypad
Ground
Green
Phone Line
Orange
Gray
BACKLITE
CUTOFF
3 2 1
8 LINE
DISPLAY
SINGLE
LINE
DISPLAY
CONTRAST
MIC
VOL
3 2 1
SPK
VOL
FEED
BACK
3 2 1
TONE ON
TONE OFF
ON
MASTER
CODE
OFF
KEYPAD
RING
PHONE CGND PSW MIC COM SPKR IMD
Lighted
A-Z-Call
Buttons
P2
P1
DOORKING 1835-009
LCD Interface Board
P5
NO
NC
NO NC C
5VDC IMC Z A 2C 2RY 1C 1NC 1NO
Purple
White
Speaker
ELEVATOR
1
2
3
P2
BAT 16AC 16AC
White
Blue
Postal Lock
Switch
61