Routine Operation
3-3
SCM4000
Operator’s Guide/Tech Ref Manual
The function keys must be pressed and released to step through
individual menu selections, options, and settings. Each press
and release of a key moves the cursor only one step through the
menu selections, options, or settings. It may be necessary to
repeatedly press and release the key to reach or select the
required individual menu selection, option, or setting.
Please note that pressing and holding a key will not
automatically scroll through the menu selections, options, or
settings.
Connectors contained on the Modulator configuration of the
SCM4000 are identified in
and are
described below. Connectors covered are as follows:
See ”Installation” chapter on page 5-1
for connector pin
assignments (part of the SCM4000 Technical Reference Manual
Topic
Page
Modulator DB-9 Front Panel RS232
Connector
Modulator AC/DC Power Connector
Modulator BNC IF OUT Connector
Modulator RJ-45 T1/E1 10/100
Connectors
Modulator BNC 1 and 2 Connectors
Modulator DB-9 Rear Panel RS232/
485 Connector
Modulator DB-9 SUM ALARM
Connector
only).
Modulator DB-9
The RS232
DB-9 male connector is used for factory test and is located
behind an access cover.
Modulator 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.
Modulator BNC IF OUT Connector
IF OUT
75 ohm BNC
female connector provides the 70 MHz IF output signal.
Modulator RJ-45 T1/E1 10/100 Connectors
The RJ-45 10/100
BaseT connectors provide T1/E1 or Ethernet connections.
Modulator BNC 1 and 2 Connectors
1
ASI DS3/E3
and
2
ASI DS3/E3
75 ohm BNC female connectors provide ASI or
DS3/E3 inputs.
3 ASI SMPTE
75 ohm BNC
female connector provides ASI or SMPTE310 inputs.
Modulator DB-9 Rear Panel RS232/485 Connector
RS232/485
DB-9 female connector provides connections for
either RS232 or RS485 operation.
Modulator DB-9 SUM ALARM Connector
The
SUM ALARM
DB-9 female connector provides summary alarm data for
common faults and events.
Содержание SCM4000
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