Table of Contents
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1.0
Introduction ....................................................................................... 5
1.1
Manual Organization......................................................................................................................................... 5
1.2
Documentation Conventions............................................................................................................................. 5
1.2.1
Type Styles Used in this Manual ...................................................................................................................... 5
1.2.2
Tips, Important Notes, Cautions and Warnings ................................................................................................ 5
1.3
Listings and Standards ..................................................................................................................................... 6
1.3.1
1.3.2
NFPA Standards ............................................................................................................................................... 6
2.0
Overview ............................................................................................ 7
2.1
SAFECOM Overview ........................................................................................................................................ 7
2.2
Data Repeater Communications....................................................................................................................... 8
2.3
SC720/SC820 Data Repeater Overview .......................................................................................................... 8
2.4
System Specifications....................................................................................................................................... 9
2.4.1
2.4.2
2.4.3
3.0
Installation ....................................................................................... 10
3.1
Requirements.................................................................................................................................................. 10
3.1.1
Earth Ground .................................................................................................................................................. 10
3.1.2
Wiring and Cable ............................................................................................................................................ 10
3.1.3
3.1.4
Antenna Location ............................................................................................................................................ 11
3.1.5
Surge Protection ............................................................................................................................................. 11
3.1.6
Data Repeater Location .................................................................................................................................. 11
3.2
Connecting Cables to the SC720/SC820 ....................................................................................................... 12
4.0
Operation ......................................................................................... 13
4.1
Controls and Indicators ................................................................................................................................... 13
4.2
Panel Control Settings for Data Repeater Communications........................................................................... 15
4.3
4.3.1
Transmit a Test Data Pattern.......................................................................................................................... 15
4.3.2
Audibly Monitor Only SAFECOM Messages .................................................................................................. 15
4.3.3
Audibly Monitor all Radio Activity.................................................................................................................... 15
5.0
System Adjustments ...................................................................... 17
5.1
SC720/SC820 System Adjustments ............................................................................................................... 17
5.2
Removing/reinstalling the SC720/SC820 and DK1000 Access Covers ......................................................... 17
5.2.1
Removing the access covers.......................................................................................................................... 17
5.2.2
Reinstalling the access covers ....................................................................................................................... 17
5.3
Settings............................................................................................ 18
5.3.1
The Squelch Threshold................................................................................................................................... 18
5.3.2
Setting the Modulation Deviation .................................................................................................................... 18
5.3.3
Setting the Hanging Time ............................................................................................................................... 19
5.3.4
Output Power .................................................................................................................................................. 19
5.3.5
Setting the Decode Characters....................................................................................................................... 19
5.4
Setup for an Addressable Data Repeater....................................................................................................... 20
5.4.1
Setting the Address Codes ............................................................................................................................. 20
5.5
Summary of IP1 Header Pins ......................................................................................................................... 20
5.6
DK1000 Default Settings ................................................................................................................................ 21
© 2004 Bosch Security Systems
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SC720/SC820 Operation and Installation Guide
Page 3
SC720/SC820
Contents
90007-201C
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