Tait International Limited TBCK4B Manual Do Utilizador
DRAFT 4
22
Description
TB9400 Installation and Operation Manual
© Tait Electronics Limited September 2011
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
the subrack and carry alarm and control signaling between the reciter and
the other modules, as shown in
.
Figure 1.7
Intermodule communication paths
Fan
Fan
Fan
I C
2
RS-485
RS-485
RS-485
RS-485
I C
2
Fan
PA
F
an
PMU F
an
Fan
PA 1
μP
Subrack Interconnect Board
PA 2
μP
Reciter 1
μP
Front Panel
PMU
Fan
Reciter 1/
PA 1 Fan
Reciter 2/
PA 2 Fan
Reciter 2
μP
User
Controls
PMU
μP
I C Current
Source
2