sec.1b
−−−−
15
DOOR PHONE SYSTEMSBASIC SYSTEM DIAGRAMS
DOOR PHONE - VIDEO DOOR PHONE SYSTEMS: Installation Diagrams
CONNECTION OF 1 DOOR PHONES TO 1 OUTDOOR STATION
Door phone can open door during call from panel
SC101-1327
(C4.023)
(VX.021)
-/~
SE2
+24
+12/~
-/~
NC
AP
NO
C
2
1
~0
230
~12
0
NC
CH-
CH+
0L
NA
+L
+
C
TO THE FOLLOWING
DOOR PHONES
MAIN~
TRANSFORMER
TIMER TO
ELECTRIC LOCK
RELAY
BOX
FROM RISING
COLUMN
SINGLE
CALLS
COMMON
SWITCH
N.N.F.
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