Product Description
2-7
SCM4000
Operator’s Guide/Tech Ref Manual
The SCM4000 Modulator/Demodulator block diagram is shown
in
Figure 2-10: SCM4000 Modulator/Demodulator
POWER SUPPLY
AC/DC
POWER
DISTRIBUTION COMMAND AND
CONTROL AND FRONT PANEL
SCM
MODULATOR
STATUS
DISPLAY
KEYPAD
CONTROL
(RS232)
E1/T1
10/100
E1/T1
10/100
RS232/
485
SUM
ALARM
ASI
DS3/
E3
MODULATOR
CORE BOARD
IMB
IF IN
IF
OUT
SCM
DEMODULATOR
STATUS
ASI
SMPTE
ASI
DS3/
E3
RS232/
485
SUM
ALARM
E1/T1
10/100
E1/T1
10/100
DEMODULATOR
CORE BOARD
ASI
DS3/
E3
ASI
SMPTE
ASI
DS3/
E3
POWER
POWER IMB
IF OUT
IF IN
1
2
3
1
2
3
INTERFACE BOARD
INTERFACE BOARD
MICROPROCESSOR
The SCM4000 Modulator/Encoder block diagram is shown in
.
Figure 2-11: SCM4000 Modulator/Encoder
POWER SUPPLY
AC/DC
POWER
DISTRIBUTION COMMAND AND
CONTROL AND FRONT PANEL
SCM
MODULATOR
STATUS
DISPLAY
KEYPAD
CONTROL
(RS232)
E1/T1
10/100
E1/T1
10/100 RS232/
485
SUM
ALARM
ASI
DS3/E3
MODULATOR
CORE BOARD
IMB
IF
OUT
ENCODER
STATUS
MPEG ENCODER
ASI
SMPTE
AUDIO
IN
AUDIO
IN
POWER
IMB/
POWER
IF OUT
VIDEO
IN
VIDEO TS
ASI OUT
1
3
INTERFACE BOARD
MICROPROCESSOR
Summary of Contents for SCM4000
Page 2: ......
Page 14: ...Introduction 1 4 SCM4000 Operator s Guide This page intentionally left blank ...
Page 234: ...Repair 6 2 SCM4000 Technical Reference Manual This page intentionally left blank ...
Page 242: ...Theory of Operation 8 6 SCM4000 Technical Reference Manual This page intentionally left blank ...
Page 250: ...Glossary A 8 SCM4000 Operator s Guide Tech Ref Manual This page intentionally left blank ...
Page 274: ...Index 8 SCM4000 Technical Reference Manual This page intentionally left blank ...