Bosch Appliances VG5 700 series user manual VG5 Audio Connections, Audio Line Input Specifications

AutoDome 700 Series IP PTZ CameraVG5 Audio Connections en 15

3	VG5 Audio Connections
	The audio version of the AutoDome 700 Series has one audio input for line signals. The audio
	signals are transmitted one-way and in-sync with the video signals. As a result, a door
	intercom system can be connected at the camera location.
	NOTICE!
	The line ports of the intercom should be used for transmitting audio signals on the intercom
	systems.
3.1	Audio Line Input Specifications
	The following Line In specifications should be complied with in all cases:
	– 5.5 Vpp max. Input voltage Impedance 9 Kohm, typical
	– Sampling rate 8 KHz, 16 Bit, mono
	NOTICE!
	There is an internal gain level adjustment in case the signal level is too low.
3.1.1	Wire Specifications
	Long distances are more susceptible to introducing noise into the signal.
	Wire Type:		Coax wire, AWG is dependant on the connector style selected
	Maximum Distance: Depends on the signal level
3.1.2	Connections
	The Audio Input must be connected to the Biphase Input as follows:
	1. Remove the 110 Ω Biphase termination resistor.
	2. Connect an audio source with line level to the Biphase input of the VG5 as shown in the
	chart below:
		Contact	Description
		Biphase +	Audio In
		Biphase -	Ground

Bosch Security Systems, Inc. User Manual F.01U.215.777 1.0 2011.07