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1835-067-A-9-18
62
NC
NO
NO
RING
NC
C
P5
P2
ON
SPK
VOL
FEED
BACK
RS 232
ELEVATOR
12
34
5
6
7
8
9
10
11
12
13
14
1
2
3
MIC
VOL
OFF
KEYPAD
3 2 1
3 2 1
3
2
1
MASTER
CODE
16AC
16AC
BAT
1NO
1NC
1C
2RY
2C
A
Z
IMC
5VDC
IMD
SPKR
COM
MIC
PSW
CGND
PHONE
BACKLITE
CUTOFF
CONTRAST
8 LINE
DISPLAY
DOORKING 1892-010
DOORKING 1837-010
3 2 1
SINGLE
LINE
DISPLAY
CONTRAST
1998-010
DOORKING 1896-012
TONE ON
TONE OFF
P1
P2
LCD Interface Board
1837 Wiring Schematic
White
White
Purple
White
White
White
Green
Green
Blue
Ground
Red
Microphone
UL 294
Tamper
Switch
Phone Line
LCD Display (8 Line Display)
Postal Lock
Switch
Speaker
RELA
Y-0
RELA
Y-2
RELA
Y-1
Lighted
Keypad
Lighted
A-Z Call
Buttons
Gray
Orange
Y
ellow
Brown
Red
White