6 terminal identification / main terminal wiring, Main terminals rs-485 terminals internal wires – DoorKing 1838 Telephone Access Plus User Manual
Page 13

1.6
Terminal Identification / Main Terminal Wiring
DOORKING, INC., INGLEWOOD, CA 90301
Date:
Dwg. No.
Rev.
Title:
1/12
B
M1838AP-002-B
1838 Access Plus.
Terminal Description
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
Mic
Vol
Master
Code
1 2 3 4 5 6 7 8 9 1011
Speaker
Vol
Keypad
1
2
3
4
5
6
7
8
RS-485 DATA (A) -
RS-485 DATA (B) +
RS-485 Common
Not Used
Not Used
Not Used
Not Used
Not Used
1
2
3
4
5
11
6
7
8
9
10
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Speaker
Speaker
16 VAC
Input
12 Volt
Back-Up
Battery
+
Neg
Pos
Main Terminals
RS-485 Terminals
Internal Wires
1838 Main Board
1838 RS-485 Board
Battery is
Optional
1
2
3
4
5
11
12
13
14
15
16
17
18
6
7
8
9
10
Phone In Negative (Optional - Used for modem programming only)
Phone In Positive (Optional - Used for modem programming only)
Ground
Not Used
Not Used
Not Used
Switch closure across terminals 7 & 9 will active Relay 1 for its programmed strike time
Switch closure across terminals 8 & 9 will active Relay 2 for its programmed strike time
- 12 Volt DC Battery Negative (Common for terminals 7 & 8)
+ 12 Volt DC Battery Positive
Relay 1 N.O.
Relay 1 N.C.
Relay 1 Common
Relay 2 N.O.
Relay 2 N.C.
Relay 2 Common
16 Volt AC Input Power
16 Volt AC Input Power
Time Zone controlled only
Time Zone controlled only
1838 Power Only
Back-up Battery is
Optional
ON
SW1
MODEM / TCP ENB
1
2
3
4
5
6
7
8
BAD DNS
RS-485 RX
LAN DOWN
Phone Line
In Use
L
AN
C
onn
e
c
ti
on
Da
ta
T
ransm
it
SW2
ON
TERMINATION
OFF
1838-066-D-1-12
Page
13