Aiphone AI-900 Dokumentacja Pobierz pdf (Strona 31)

12.6.2. External amplifier and AI-900RS connection

1-core shielded cable

1 twisted pair cable

AI-900RS

CN1

CN5

Voice output

Voice input

HOT

GND

(For paging amplifier)

Paging amplifier *

GND COM COM 25V 70V4HOT

INPUT OUTPUT

Front view of

the circuit board

Electrical characteristics of the CN5 connector

Voice output: Unbalanced, –20 dB*

signals to be sent to a paging amplifier

Voice input: Balanced, acceptable signals on the 25 V line output from a paging amplifier

Rated at over 16 W power output (ex. BG-130 30 W amplifier)

0 dB = 1 V

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Aiphone AI-900 Dokumentacja Strona 31