Bosch Appliances 3.5 manual 6.2.2Rear view

Praesideo 3.5 Installation and User Instructions 3 Control Equipment

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6.2.2Rear view

The rear of the audio expander (see figure 6.2) contains the following:

4Audio inputs - Four audio inputs for receiving audio signals from analog audio sources. Two of the audio inputs are selectable between microphone and line. The other two audio inputs are fixed line inputs. Each audio input has a XLR as well as a double

cinch connector (see section 6.3.3).

5Audio outputs - Four audio outputs for extracting analog audio signals. Each audio output has a XLR as well as a double cinch connector (see

section 6.3.4).

6Ground - A connection to electrically ground the audio expander.

7System bus - Two system bus connectors to connect the audio expander to other Praesideo equipment (see section 6.3.2).

8Control inputs - The control inputs can be used to receive signals from third party equipment that must trigger actions in the Praesideo network (see

section 6.3.5).

9Control outputs - The control outputs can be used to send signals to third party equipment to trigger actions generated by the Praesideo network (see section 6.3.6).

									1		2		3
									4	5	4	5	6
					Caution				Audio In 3	Audio Out 3	Audio In 4	Audio Out 4
					Risk of electric shock.
					Do not open.
						Avis
					Risk of electric shock.
					Do not open.
		Control In
		1	2	3	4	5	6	7	8
									Audio In 1	Audio Out 1	Audio In 2	Audio Out 2
Network
1	2	Control Out
		C NC NO C NC NO C NC NO C NC NO C NC NO
48V	48V		1	2		3	4		5
7	8	9							4	5	4	5

figure 6.2: Front and rear views of the audio expander

Bosch Security Systems 2011-02