Bosch Appliances 3.5 manual 15LBB4430/00 Call Station Basic, Introduction, 1: Block diagram

Models: 3.5

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15LBB4430/00 Call Station Basic

2011-02 Installation and User Instructions 5 Call Stations

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15LBB4430/00 Call Station Basic

15.1 Introduction

The LBB4430/00 Call Station Basic is used for making live speech or pre-recorded announcements to any pre-assigned zones or to execute any pre-defined actions. This call station contains a built-in limiter and speech filter for improved intelligibility. See figure 15.1 for a block diagram of the call station basic.

Headset

Microphone

A/D

PTT

I

POF

POF

Keypad

D/A

Network

Processor

+

DSP

O

Network

Redundancy

Switching

Keypad

(max. 16)

Power/Fault

Call Status

System Status

figure 15.1: Block diagram

Bosch Security Systems 2011-02

Page 203
Image 203
Bosch Appliances 3.5 manual 15LBB4430/00 Call Station Basic, Introduction, 1: Block diagram