Cisco DNCS System Release 2.8.1 3.8.1 4.3.1 Guía Del Usuario
to the DNCS, do not place the modulator online
until you have set up the connections between
the modulator and the MPEG source that feeds
the modulator. For assistance, go to
until you have set up the connections between
the modulator and the MPEG source that feeds
the modulator. For assistance, go to
.
Allow SI
Defines whether or not this modulator will process system
information (SI) and send the SI to all hubs in the
headend. Use the following guidance to set this option:
information (SI) and send the SI to all hubs in the
headend. Use the following guidance to set this option:
When this option is selected, the modulator can
process SI and send the SI to all hubs in the
headend.
headend.
When this option is not selected, this modulator
cannot process SI.
Important: Select this option only for a
distinguished QAM modulator or a BFS QAM
modulator. Do not select this option for a content
QAM modulator.
distinguished QAM modulator or a BFS QAM
modulator. Do not select this option for a content
QAM modulator.
Input Port
The type of interface that will receive data from the QAM
Important: If the QAM modulator will process VOD data,
select ASI for the input port.
select ASI for the input port.
INPUT Transport Stream ID
The system sets this value automatically when the
corresponding transport stream ID is set up and the
connection is established on the Connectivity tab.
corresponding transport stream ID is set up and the
connection is established on the Connectivity tab.
RF OUT
Modulation - The type of modulation this QAM modulator
uses. For example,if the modulator uses 256 QAM, select
256 QAM.
uses. For example,if the modulator uses 256 QAM, select
256 QAM.
The type of modulation affects the total bandwidth
available for setting up sessions on the modulator:
available for setting up sessions on the modulator:
Modulators using 64-QAM support a total
bandwidth of 26.971 Mbps.
Modulators using 256-QAM support a total
bandwidth of 38.811 Mbps.
Transport Stream ID - Identifies the transport stream
going from this modulator
going from this modulator
You can use up to 5 numeric characters.
Channel Center Frequency (MHz) - The channel
frequency that you will use to send system information to
set-tops
frequency that you will use to send system information to
set-tops
We recommend that you enter a value in 6 MHz
increments from 91 to 867. For assistance, see
increments from 91 to 867. For assistance, see
Continuous Wave Mode - Determines whether the QAM
produces an unmodulated RF carrier
produces an unmodulated RF carrier
Enable this option to produce an unmodulated RF carrier,
which is is useful when performing testing.
which is is useful when performing testing.
Mute RF Output - Determines whether the QAM's RF
output port is muted
output port is muted
Enable this option to turn off the RF output for a port.
Turning off the RF output port is helpful when installing
the modulator.
Turning off the RF output port is helpful when installing
the modulator.
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