Motorola MSF 5000 Instruction Manual page 48

Chapter
1
Description
MSF
5000
Instruction Manual
Secure Capable Station Control Board
(SSCB)
Secure Capable Station Control
The
Secure capable Station
Control Board (SSCB) is located in
the Control
Tray.
The SSCB is the heart of
the
MSF
5000
which provides
control circuits for various
components of the station.
The SSCB is compatible with
the
TT
board and the Secure board. It is also
compatible
with all
optional expansion modules housed
within
an Expansion
Tray
attached to the top of the Control
Tray.
This
section describes the operation of the
SSCB
designed for
the
MSF
5000
station.
The
kit
number of the SSCB is dependent upon the frequency band of the
station.
The kit
numbers include:
Board
(SSCB)
Models Covered
a
o
ao
a
Functions of
SSCB
TLN3182
(VHF/UHF
Narrow Band)
TLN3189
(VHE, UHF)
TLN3204
(800
MHz)
TLN3205
(900
MHz
Analog Plus)
The major functions and circuits of the SSCB
include:
0
DC-DC
Converter
Audio
Processing
o
Squelch
Circuitry
Control and Logic Circuitry (previously described)
Station Diagnostics and
Alarms
Each is described in
the
following
paragraphs.
1-10
68P81092E02 3/19/94
Chapter
1
Description
MSF
50
Instruction Manual
Secure Capable Station Control Board
(SSCB)
Secure Capable Station Control
Board
(SSCB)
The Secure capable Station Control Board (SSCB) is located in
the
Control
Tray.
The SSCB is the heart of the
MSF 500
which provides control
ircuits
for various
components of the station
The SSCB is compatible with
the
T
board and the Secure board. It is also
compatible
with
al
optional expansion modules housed within an Expansion
Tray
attached to the top of the Control
Tray.
Models Covered
This
section describes the operation of the
SSCB
designed for the
MSF
5000
station The kit number of the SSCB is dependent upon the frequency band of the
station.
The kit numbers include
TLN3182
(VHF/UHF
Narrow Band)
TLN3189
(VHE,
TLN3204
(800
MHz)
TLN3205
(900
MHz
Analog Plus)
Functions of
SSCB
The major functions and
ircuits
of the
SCB
include:
DC-DC
Converter
Audio
Processing
o
Squelch Circuitry
Control and Logic Circuitry (previously described)
Station Diagnostics and Alarms
Each is described in
the
following
paragraphs
1-10
68P81092E02 3/19/94