DoorKing 1802 - Manual (Page 24)

24
The wiring diagram below shows a typical wiring scheme for the telephone entry system.
•
Terminal 3 is a case ground and not a low voltage common. Using terminal 3 as a low
voltage common will cause noise on the phone line.
•
Switch input 1 (terminals 4 and 8) is pre-wired to the postal switch and pre-programmed to
activate relay 1 when the input is closed.
•
Switch input 2 can be programmed to activate relay 2 or dial a preprogrammed phone
number when the input is closed.
2.2 WIRING DESCRIPTION
1 1 4 1 3 1 2 1 1 1 0 9 8 7 6 5 4 3 2
N o r m a l l y O p e n
Switch 2 Input
Central Office
P h o n e L i n e
E a r t h G r o u n d
O n l y
N o r m a l l y O p e n
Switch 1 Input
12 Volt
Battery
1 6 V A C , 2 0 V A
T r a n s f o r m e r
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