C.O.
PHN
Elevator
Control
RS 232
Connection
Main Terminal
4
1838 CONTROLLER
1
2
3
4
5
6
1
2
3
123 1716151413 2019
9
5
2
46 18
1
1
3
DOORKING, INC., INGLEWOOD, CA 90301
Date: Dwg. No. Rev.
Title:
12/07 B
RELAY 1 NORMALLY OPEN
RELAY 1 NORMALLY CLOSED
RELAY 1 COMMON
16 Volt, 20 VA UL Listed Transformer.
Battery Backup -separate batteries required for phone system and
weigand terminals.
Central Office phone line -touch tone, loop start.
A switch closure across terminals 4 & 6 will activate relay 1 for its
programmed strike time.
Belden 9418 or Equivalent.
Aux power transformer must be connected. Otherwise, RS232, elevator
control and weigand inputs will not function.
6
16 VAC output can be used to power lights on card readers that have
additional lighting for outdoor use.
7
Weigand card reader or keypad connected to these terminals will operate
Relay 1 for its programmed strike time.
8
Electric strikes are wired to Normally Open (N.O.) contacts; magnetic
locks are wired to the Normally Closed (N.C.) contacts.
Power for electric strikes or magnetic locks is not provided by the system.
Use a separate UL listed power supply.
12
Use 18 AWG wire for runs up to 100 Ft. Use 16 AWG wire for runs up to
200 Ft.
11
16 VAC
PWR
INPUT
16 VAC
PWR
INPUT
57 1211
Auxiliary Terminals
14
13
12
11
10
9
8
7
6
5
4
3
2
11838-120/121
Card Reader
Push To Call
Speaker
Microphone
LED Lights
14
13
12
11
10
9
8
6
7
5
4
3
2
1
-12 VDC BATT INPUT
+12 VDC BATT INPUT
+ 12 VDC
COMMON
DATA 1
DATA 0
NEG 12 VDC INPUT
POS 12 VDC INPUT
16 VAC OUTPUT
16 VAC OUTPUT
2
3
4
5
6
7
8
9
10
11
3
4
10
12 1838-120 uses a keypad. 1838-121 uses a card reader. The wiring is the
same regardless which device is used.
RED
WHT
BLK
GRN
RED
WHT
BLK
GRN
RED
WHT
GRN
GRN
GRY
ORG
WHT
PUR
WHT
1838 Remote Call Station -Telephone Interface
Wire Diagram
M1838-065-5-B
13 100 Feet maximum between remote call station and controller.
13
1838-065-L-3-10 Page
19