User's Manual
Table Of Contents
- Installation and Operation Manual
- Contents
- Preface
- 1 Description
- 2 General Safety and Regulatory Information
- 3 Operation
- 4 Working with Base Stations from Your PC
- 5 Installation
- 6 Maintenance
- 7 Troubleshooting
- 8 Replacing Modules
- Appendix A – Interface Pin Allocations
- Appendix B – Inter-Module Connections
- Glossary
- Tait Software License Agreement
- Directive 1999/5/EC Declaration of Conformity
DRAFT 1
22 Description TB9300 Installation and Operation Manual
© Tait Limited May 2013
1.7.3 Intermodule Communications
A system control bus and a subrack interconnect board link the modules in
the subrack and carry alarm and control signaling between the reciter and
the other modules, as shown in Figure 1.7.
Figure 1.7 Intermodule communication paths
FanFan
Fan
IC
2
IC
2
RS-485
RS-485
IC
2
IC
2
IC
2
Fan
Fan
Fan
PA 1
mP
Subrack Interconnect Board
PA 2
mP
Reciter 1
mP
Front Panel
Fan 3:
PMU
Fan 1:
Reciters
Fan 2:
PAs
Reciter 2
mP
User
Controls
PMU
mP
I C Current
Source
2