Cisco Headend System Release 2.5 安装指南
Chapter 3 Setting Up Hubs, MPEG Sources, MQAM Modulators, PCGs, and SCSs
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4017650 Rev C
3 In the Connect To area, click the Headend Name arrow and select the headend
that contains the MPEG source that is physically connected to the selected input
port on this MQAM modulator.
port on this MQAM modulator.
4 Click the Device Type arrow and select the type of MPEG source device being
used to send data to the selected input port on this MQAM modulator (for
example, MUX).
Note: The Device Type should always be MUX.
example, MUX).
Note: The Device Type should always be MUX.
5 Click the Device Name arrow and select the name previously defined for the
MPEG source associated with the selected input port on this MQAM modulator.
6 Click in the Port Number field and select the corresponding port of the MPEG
source.
7 The options that appear on this window after step 6 are dependent upon what
you selected for the Device Type in step 4. As you finish completing this
window, keep in mind that the information being requested is about the MPEG
source associated with the selected input port on this MQAM modulator.
Note: You need to specify the number that identifies the output port on the
MPEG source that is physically connected to the input port on this MQAM
modulator.
window, keep in mind that the information being requested is about the MPEG
source associated with the selected input port on this MQAM modulator.
Note: You need to specify the number that identifies the output port on the
MPEG source that is physically connected to the input port on this MQAM
modulator.
8 Click Apply. The system saves this information into the DNCS database and
updates the illustration so that it shows the information you entered.
9 Is an MPEG source sending data to Input Port 2 on this MQAM?
If yes, click the Input 2 Port option. Repeat steps 3 through 8 to define and
save the connectivity parameters for the second input port on the MQAM
modulator. When finished, go to Activating a Program MQAM Modulator
(on page 46).
save the connectivity parameters for the second input port on the MQAM
modulator. When finished, go to Activating a Program MQAM Modulator
(on page 46).
If no, go to Activating a Program MQAM Modulator (on page 46).
Activating a Program MQAM Modulator
After you set up the connections between a program MQAM modulator and its
associated MPEG source(s), complete these steps to activate the modulator by
placing it online.
associated MPEG source(s), complete these steps to activate the modulator by
placing it online.
Note: You can activate an MQAM modulator only after all parameters for the
modulator have been saved to the DNCS database, and only after the modulator has
finished its booting process. Therefore, you may have to wait a few minutes before
you can complete this task.
1 On the Set Up MQAM window, click the Basic Parameters tab. The Basic
modulator have been saved to the DNCS database, and only after the modulator has
finished its booting process. Therefore, you may have to wait a few minutes before
you can complete this task.
1 On the Set Up MQAM window, click the Basic Parameters tab. The Basic
Parameters tab information moves to the forefront.
2 At the Administrative State field, click the Online option.
3 Do you need to make this MQAM the Home Transport MQAM modulator?
3 Do you need to make this MQAM the Home Transport MQAM modulator?
If yes, click Apply and then click Allow SI. When prompted, click Yes and
go to step 4.
go to step 4.