Routine Operation
3-9
SCM4000
Operator’s Guide/Tech Ref Manual
Modulator/Encoder BNC 1 Connector
1 ASI DS3/E3
75
ohm BNC female connector provides ASI or DS3/E3 inputs.
Modulator/Encoder BNC 3 Connector
3
ASI SMPTE
75
ohm BNC female connector provides ASI or SMPTE310 inputs.
Modulator/Encoder DB-9 Rear Panel RS232/485 Connector
The
RS232/485
DB-9 female connector provides connections for
either RS232 or RS485 operation.
Modulator/Encoder DB-9 SUM ALARM Connector
SUM
ALARM
DB-9 female connector provides summary alarm data
for common faults and events.
Modulator/Encoder BNC VIDEO Connector
The 75 ohm BNC
female
VIDEO
connector receives the analog video input to the
unit. The ASI output of the Encoder is connected internally to
the ASI 2 input of the Modulator.
Modulator/Encoder DB-9 AUDIO A and B Connectors
AUDIO A
and
B
DB-9 male connectors receive analog audio
inputs.
Connectors contained on the Demodulator/Decoder
configuration of the SCM4000 are identified in
and are described below. Connectors covered are as
follows:
Topic
Page
Demodulator/Decoder DB-9 Front
Panel RS232 Connector
Demodulator/Decoder AC/DC
Power Connector
See ”Installation” chapter on page 5-1
for connector pin
assignments (part of the SCM4000 Technical Reference Manual
only).
Demodulator/Decoder DB-9 Front Panel RS232 Connector
The RS232 DB-9 male connector is used for factory test and is
located behind an access cover.
Demodulator/Decoder AC/DC Power Connector
The AC/DC
power connector provides connection to the removable external
AC/DC power cable. The power connector is part of the power
switch assembly.
Demodulator/Decoder BNC IF IN Connector
IF IN
75
ohm BNC female connector provides the input connection for 70
MHz IF to the unit.
Demodulator/Decoder RJ-45 T1/E1 10/100 Connectors
The
RJ-45 10/100 BaseT connectors provide T1/E1 or Ethernet
connections.
Demodulator/Decoder BNC IF IN
Connector
Demodulator/Decoder RJ-45 T1/E1
10/100 Connectors
SCM4000 Demodulator/Decoder
Connectors
Demodulator/Decoder BNC 3
SMPTE Connector
Demodulator/Decoder DB-9 Rear
Panel RS232/485 Connector
Demodulator/Decoder DB-9 SUM
ALARM Connector
Demodulator/Decoder BNC VIDEO
Connector
Summary of Contents for SCM4000
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