Cisco Headend System Release 2.7 Guida All'Installazione
Add and Configure the RNCS
4022447 Rev B
51
6 Click File > New Demod. The Set Up QPSK Demodulator window opens.
7 Complete the following:
7 Complete the following:
Port Number—
Select the port on the QPSK modulator from which this
demodulator receives data.
Node Set Name—Select the node set that you want to associate with this
demodulator.
Important: We recommend that you assign each demodulator to a unique
node set.
demodulator.
Important: We recommend that you assign each demodulator to a unique
node set.
Frequency—Enter the RF input frequency assigned to this modulator. You
can enter a value from 8 to 26.5 MHz, based on your plant design.
Important:
–
can enter a value from 8 to 26.5 MHz, based on your plant design.
Important:
–
Set the frequency equal to the service channel frequency of the associated
QPSK modulator. (The service channel frequency of the QPSK modulator
is shown in the Advanced Parameters tab of the Set Up QPSK modulator
window.)
QPSK modulator. (The service channel frequency of the QPSK modulator
is shown in the Advanced Parameters tab of the Set Up QPSK modulator
window.)
–
Set all demodulators associated with the same modulator to the same
frequency.
frequency.
8 Click Save.
The system saves the demodulator information in the DNCS database and
closes the Set Up QPSK Demodulator window.
closes the Set Up QPSK Demodulator window.
Then, the QPSK Modem window opens with the new demodulator
appearing in the illustration.
appearing in the illustration.
An information window opens.
9 Click OK to close the information window.
10 Add the new QPSK demodulator to your network map.
11 Repeat this procedure from step 6 to add another demodulator to this QPSK
10 Add the new QPSK demodulator to your network map.
11 Repeat this procedure from step 6 to add another demodulator to this QPSK
modulator, or from step 4 to add demodulators to a different QPSK modulator.