External Amplifier And Ai-900Rs Connection - Aiphone AI-900 Installation Manual

12.6.2. External amplifier and AI-900RS connection

1-core shielded cable
GND COM HOT
INPUT
Paging amplifier *
Electrical characteristics of the CN5 connector
Voice output: Unbalanced, –20 dB*
Voice input: Balanced, acceptable signals on the 25 V line output from a paging amplifier
* 1 Rated at over 16 W power output (ex. BG-130 30 W amplifier)
* 2 0 dB = 1 V
1 twisted pair cable
COM 4 25V 70V
OUTPUT
1
2 signals to be sent to a paging amplifier
AI-900RS
CN5
(For paging amplifier)
CN1
HOT
Voice output
GND
HOT
Voice input
GND
Front view of
the circuit board
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