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.