Tait International Limited TBCH1B Benutzerhandbuch
20
Description
TB9400 Installation and Operation Manual
© Tait Limited November 2013
The reciter carries out signal processing and has overall control of the base
station. Its circuit boards are shown in
station. Its circuit boards are shown in
The receiver board contains all the receiver circuitry, while the exciter
circuitry is located on the transmit forward board.
circuitry is located on the transmit forward board.
The reciter control board converts information between analog and digital
and controls the maintainer’s access via the front panel. It performs the air
interface signal processing for digital P25 mode, gives the base station an
identity as a network element, and provides the physical connections for
the Ethernet and system interfaces.
and controls the maintainer’s access via the front panel. It performs the air
interface signal processing for digital P25 mode, gives the base station an
identity as a network element, and provides the physical connections for
the Ethernet and system interfaces.
Figure 1.5
Reciter boards
RF Input
RF Input
(feedback
from PA)
from PA)
RF Output
Receiver
Board
Transmit
Forward
Board
Transmit
Reverse
Board
Front
Panel
Panel
Reciter
Control
Board
Maintainer Access
System Input
and Output
and Output
Ethernet Interface
to Network
to Network