Microwave Radio Communications SCM4000, Техническое справочное руководство

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Product Description 2-2 SCM4000 Operator’s Guide/Tech Ref Manual
Key features of the SCM4000 are as follows:
• The SCM4000 can be configured as a Modulator,
Demodulator, or both a Modulator and a Demodulator.
• Allows simplex or duplex operation depending upon the
SCM4000 configuration.
• Available with an optional MPEG Encoder or Decoder.
• Provides user control for functional parameters via front
panel controls and alphanumeric display.
• Modulation options include QPSK, 16 QAM, 32 QAM, and
64 QAM.
• Channel types accepted by the SCM4000 include DVB/
ASI, DS3/E3, T1/E1, RS232/RS485, 10/100 Ethernet,
and SMPTE310M.
2.2.1 Configuration Options
The SCM4000 is currently available in the following
configurations:
• SCM4000 Modulator
• SCM4000 Demodulator
• SCM4000 Modulator/Demodulator
• SCM4000 Modulator/Encoder
• SCM4000 Demodulator/Decoder
Consult your Sales Representative or contact the factory for the
latest information.
2.2.2 Configuration Descriptions
General The front panel of the SCM4000 ( Figure 2-2 on page 2-
3 ) contains a POWER LED, an ALERT LED, an ALARM LED,
an alphanumeric display, and six function keys. The front panel
also contains an RS232 connector, located behind an access
cover, to provide interface connections to a Windows-based PC.
The rear panel of the SCM4000 contains the I/O connectors, the
input power connector, the power switch, and a fuse.
Controls, indicators, and connectors contained on all
configurations of the SCM4000 are identified and described in
the
“Routine Operation” Chapter on page 3-1 .
Modulator and Demodulator Configurations The base
Modulator and Demodulator configurations of the SCM4000
each contain one set of I/O connectors.
See Figure 2-3 on
page 2-3 and Figure 2-4 on page 2-3 .
Modulator/Demodulator Configuration The Modulator/
Demodulator configuration rear panel contains two sets of I/O
connectors.
See Figure 2-5 on page 2-4 .
Modulator/Encoder Configuration The Modulator/Encoder
configuration contains one set of I/O connectors, a VIDEO input
connector and two AUDIO connectors. See Figure 2-6 on
page 2-4 .
Demodulator/Decoder Configuration The Demodulator/
Decoder configuration also contains one set of I/O connectors, a
VIDEO output connector and two AUDIO connectors. See
Figure 2-7 on page 2-4 .