Aiphone TB-3F User Manual
Page 7
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EXAMPLE NO. 3: TB-F SYSTEM WITH 2 DOOR STATIONS AND
ELECTRIC DOOR RELEASE
• Maximum of 2 door stations may be connected to up to 12 phones per system.
NOTES: (1) DB-U door station adaptor must be connected directly to PS-12A (PS-12C) power supply.
(2) Be sure to connect and [P] terminals on each phone for communication with door station
(paging may be added in a system incorporating door station).
(3) Do not use #1 terminal on any TB-F phone for connecting CF terminal on DB-U.
In this example button #5 allows conversation with door station #(T), button #6, with door
station #(2) and each station number button operates door release.
DOOR STATION
PS-12A or
PS-12C
Power Supply
* PLEASE SELECT THE MOST SUITABLE DOOR STATION FOR YOUR APPLICATION;
IC-DC
i
IC-NA
I
IC-RA
IC-KA
IC-JA
IC-FY
EXAMPLE NO. 4: TB-F SYSTEM WITH EXTERNAL SIGNALING DEVICE
1) When TB-F phone is located in very noisy area (station No. 7 in this example), an incoming call may be extended
by external signaling device such as bell or buzzer using RY-AC.
2) External signaling device (not supplied by Aiphone) should not exceed 0.3A 240V AC or l.OA 24V DC.
EXTERNALSIGNALING DEVICE
Power Supply