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BOSCH PRAESIDEO SOFTWARE DOWNLOAD PC

The network controller has 5 control outputs of which three are programmable for faults or calls, and two are used to connect visual and audible fault indicators.

The network controller has 4 analogue audio line outputs.

The 8 control inputs are freely programmable for system actions, and priorities can be assigned to these inputs.

The other 2 inputs are fixed as line inputs. Of these, 2 are selectable between microphone and line.

The network controller has 4 analogue audio inputs.

Ethernet interface for configuration and diagnostic & logging functions.

Public address and emergency control unit.

BOSCH PRAESIDEO SOFTWARE DOWNLOAD PC

If a PC is connected to the network controller unit, all status changes in the system can be displayed through the configuration and diagnostic & logging software, supplied with the unit. The PC need not be connected permanently to the unit as it works independently from the PC. The network control unit can be configured for any complex public address configuration via the PC. The audio inputs can be announcements from call stations, background music or local audio inputs. The unit is delivering power to the system (except for power amplifiers), fault reporting and controlling of the system. The LBB 4401/00 Network Controller unit is the heart of the Praesideo system. Ambient microphone connection enables output level adjustment for maximum intelligibility. The power amplifiers can be connected to the network line directly. The power amplifiers are equipped with audio processing facilities for each amplifier channel. The pilot tone for the monitoring is generated by the power amplifier itself. If an end-of-line supervision card is plugged in, the loudspeaker lines are also monitored for open circuits. The amplifier provides short-to-ground and short-circuit detection functions. The power amplifiers are equipped with amplifier monitoring and change-over relays. The types of power amplifiers are as follows: These differ in the number of amplifier channels per frame and the power ratings of the individual amplifier channels. There are four types of power amplifier units in the Praesideo product range.

Even in the case, the Praesideo network controller would fail, the remote call station is still able to do emergency calls. The remote call station is fully supervised and complies with IEC60849. The remote call station is powered by the call station interface via the CAT-5 cable, but a local power supply connection is also provided for long distance use with many keypads. The LBB4438/00 can be extended with up to 16 keypads LBB4432/00 or LBB4434/00, each offering 8 configurable keys. The length of the CAT-5 cable extends the span of a Praesideo network considerably.

The CAT-5 cable, carrying digital audio and control data, can be as long as 1 km. It connects one-to-one to the call station interface LBB4437/00, which is part of the optical Praesideo network. The LBB 4438/00 Call Station Remote with the same functionality as the basic call station LBB4430/00, but it uses CAT-5 cable for its connection to the Praesideo network.