Bosch Appliances 9922 141 70691 en manual Fault contact, Audio output details

DCN Wireless Installation and User Instructions Central Devices

en 47

You can select the procedure that is used to send audio signals through the central control unit with the available audio routing modes (refer to 10.6.8).

table 10.16: Audio output details

Number of connections:

•1x XLR plug for each audio output

•1x double cinch socket for each audio output Location:

Rear side Cable: Shielded cable Maximum level: Refer to appendix A

Nominal level (audio output 1): Refer to appendix A

Nominal level (audio output 2): Refer to appendix A Frequency response:

-3 dB @ 30 Hz and 20 kHz

Impedance: < 100 Ω

Signal-to-noise ratio: > 89 dBA @ max. level Crosstalk attenuation: > 85 dB @ max. level Distortion:

< 0.1% @ 100 Hz @ - 3 dB of the max. input

10.5.7 Fault contact

Use the fault contact to send the condition of the central control unit to external devices. If the central control unit operates correctly, the OK pins are internally connected. The central control unit internally connects the Fail pins when:

•The central control unit is stopped.

•The internal power supply unit operates incorrectly.

•The central control unit does a reset.

OK Fail

figure 10.10: Fault contact

table 10.17: Fault contact

Number of connections: 4-pole plug

Location:

Rear side

Signal:

Potential-free change-over relay

Voltage:

Max. 24 V(DC), 15 V(AC)

Current:

Max. 500 mA

Bosch Security Systems 2007-02 9922 141 70691 en