Ф laf-7b all-master system, Wiring diagram – Aiphone HOME INTERCOM LAF-7B User Manual
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WIRING DIAGRAM
#ф LAF-7B ALL-MASTER SYSTEM
♦ROOM-TO-ROOM COMMUNICATION
*BGM RECEPTION/ALL CALL TRANSMISSION
(PS-12A/PS-12C)
BGM reception/All Call transmission
(at any room station)
Communication
(1) When using a STEREO MUSIC SOURCE, eg. FM Tuner,
8-track player or cassette player, etc., connect the PHONO
plugs directly to two PHONO jacks on BG-1A/IB.
(2) Music source output requirements;
Tuner; Use AUDIO output (Range; 300 mV ~ 1.2V,
10 К ohm ~ 100 К ohm).
Tape player; Use low level output (Range: 300 mV ~
1.2V, more than 600 ohm)
Each own number button connects to a last station No. 8.
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