User's Manual Part 1

Table Of Contents
Bosch Security Systems | 2007-02 | 9922 141 70691 en
DCN Wireless | Installation and User Instructions | Table of Contents en | 7
Table of Contents
Important Safeguards ..................................................................................................................................................3
Disclaimers ......................................................................................................................................................................4
About this manual .........................................................................................................................................................5
Table of Contents ..........................................................................................................................................................7
Section 1 - System Design and Planning............................................................................................................. 11
1. Wireless network design ........................................................................................................................................................... 12
1.1 Introduction ............................................................................................................................................................................ 12
1.2 Limits ....................................................................................................................................................................................... 12
1.3 Frequency band .................................................................................................................................................................... 12
2. DCN design ..................................................................................................................................................................................14
2.1 Introduction ............................................................................................................................................................................ 14
2.2 Calculation tool ..................................................................................................................................................................... 14
2.3 Concepts ............................................................................................................................................................................... 14
2.4 Limits ....................................................................................................................................................................................... 14
2.5 Control capacity ...................................................................................................................................................................15
2.6 Power capacity ..................................................................................................................................................................... 15
2.7 Cable lengths ........................................................................................................................................................................ 17
2.8 Examples ................................................................................................................................................................................ 19
2.9 Interpretation devices .......................................................................................................................................................... 21
3. Optical network design .............................................................................................................................................................. 22
3.1 Introduction ............................................................................................................................................................................ 22
3.2 Calculation tool ..................................................................................................................................................................... 22
3.3 Limits ....................................................................................................................................................................................... 22
3.4 Control capacity ...................................................................................................................................................................22
3.5 Power capacity ..................................................................................................................................................................... 22
3.6 Cabling ................................................................................................................................................................................... 23
3.7 Example layouts .................................................................................................................................................................... 25
4. Camera control ............................................................................................................................................................................. 28
4.1 Introduction ............................................................................................................................................................................ 28
4.2 Scenarios ............................................................................................................................................................................... 28
5. Infra-red wireless language distribution .................................................................................................................................. 28
6. CobraNet .......................................................................................................................................................................................29
7. User set-up .................................................................................................................................................................................... 29
7.1 Public areas and walkways ................................................................................................................................................ 29
7.2 Headphones/headsets ........................................................................................................................................................ 29
7.3 Speaking distance ...............................................................................................................................................................29
7.4 Interpreter booths ................................................................................................................................................................. 29
8. Device set-up ................................................................................................................................................................................ 30
8.1 General ................................................................................................................................................................................... 30
8.2 Cables ..................................................................................................................................................................................... 30
8.3 Temperature .......................................................................................................................................................................... 30
8.4 Ventilation .............................................................................................................................................................................. 30
8.5 Cleaning ................................................................................................................................................................................. 30
8.6 Storage ...................................................................................................................................................................................30
8.7 Acoustic feedback ............................................................................................................................................................... 31