Bosch Appliances 3.5 manual Audio outputs, Control inputs

Praesideo 3.5 Installation and User Instructions 3 Control Equipment

en 104

5.7.10 Audio outputs

Connector (rear side):

One XLR and one stereo (dual mono) cinch for each output

Preferred cable:

Shielded

Maximum output level:

18 dBV ± 1 dB for XLR

6 dBV ± 1 dB for cinch Output range:

-30 dB to 0 dB with respect to maximal output level Output level setting:

Software

Frequency response:

-3 dB points at 20 Hz and 20 kHz (tolerance ± 1 dB) Output impedance:

< 100 ohm

Signal/Noise ratio:

>89 dBA at maximum level Output cross-talk:

<-85 dB Distortion:

<0.05% at 1 kHz at -3 dB of the maximum input signal

5.7.11 Control inputs

Connector (rear side):

Removable screw connector

Total cable resistance:

<1 kohm (with line supervision)

<5 kohm (without line supervision) Resistance detection (supervision enabled): Cable short circuit

<2.5 kohm

Contact closed

7.5 kohm to12 kohm Contact open

17.5kohm to 22 kohm Cable broken

> 27 kohm

Resistance detection (supervision disabled): Contact closed

<12 kohm Contact open > 17.5 kohm

Maximum open voltage:

24 V(DC)

Internal pull-up current:

0.5 mA

External contacts:

Voltage-free closing or breaking contacts (relay contacts, mechanical switches, mercury contacts etc.)

Bosch Security Systems 2011-02