Aiphone installation manual External amplifier and AI-900RSconnection

12.6.2. External amplifier and AI-900RS connection

						AI-900RS
			1-core shielded cable
							Voice output	HOT
						CN5		GND
							Voice input	HOT
								GND
						1 twisted pair cable	(For paging amplifier)
						CN1
							Front view of
							the circuit board
GND	COM	HOT	COM	4	25V	70V
	INPUT			OUTPUT
	Paging amplifier *1

Electrical characteristics of the CN5 connector

Voice output: Unbalanced, –20 dB*2 signals to be sent to a paging amplifier

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

31