Cisco Headend System Release 2.7
Chapter 2 DNCS Configuration for Distributed BFS
18
4017541 Rev B
6 In the QAM Name box, type the name you will use to identify this QAM (for
example, BFSQAM2).
Note: You can use up to 15 alphanumeric characters. Be sure to use a name that
is consistent with the naming scheme used on your network map.
Note: You can use up to 15 alphanumeric characters. Be sure to use a name that
is consistent with the naming scheme used on your network map.
7 In the IP Address box, type the IP address for this QAM.
8 Click the Modulation Type arrow and select the modulation type.
8 Click the Modulation Type arrow and select the modulation type.
Important! The modulation type must be the same as the modulation type used
by the primary BFS QAM.
by the primary BFS QAM.
9 In the MAC Address box, type the MAC address for this QAM.
10 In the Subnet Mask box, type the subnet mask based on the following
10 In the Subnet Mask box, type the subnet mask based on the following
guidelines:
If your system uses a standard network configuration, type 255.255.255.0.
If your system uses another type of network configuration, type the subnet
mask as assigned by your system administrator.
mask as assigned by your system administrator.
11 In the Default Gateway box, type the IP address of the default gateway.
12 For the Input Port, click the ASI option.
13 Will the QAM carry inband SI (system information)?
12 For the Input Port, click the ASI option.
13 Will the QAM carry inband SI (system information)?
If yes, select Yes for Allow SI.
If no, select No for Allow SI.
14 In the INPUT Transport Stream ID box, type the transport stream ID.
Note: This ID must be the same as the output transport stream ID from the
MPEG source. You recorded this number in step 5 of Establishing Connectivity
Parameters for the MPEG Source (on page 14).
MPEG source. You recorded this number in step 5 of Establishing Connectivity
Parameters for the MPEG Source (on page 14).
15 In the RF OUT row, complete the following information:
a Click the Modulation Type arrow and select the type of modulation this
QAM uses.
b In the Transport Stream ID box, type the last octet of the IP address. This
number identifies the transport stream going from this QAM out to the hubs
on your system.
on your system.
c In the Channel Center Frequency (MHz) box, type the channel frequency
that you will use to send service information to set-tops on this headend.
Cisco recommends that you enter a value in 6 MHz increments from 91 to
867.
Cisco recommends that you enter a value in 6 MHz increments from 91 to
867.
16 Click Apply. The DNCS saves the QAM information you have entered up to this
point in the DNCS database and activates the Hubs button.
17 Click Hubs. The RF Output Port window opens, showing the hubs that are
available to receive data from this QAM modulator.
18 Select a hub that will receive data from this QAM in the Available Hubs field,
and then click Add. The hub name moves into the Selected Hubs field.
19 Repeat step 18 for each hub that will receive data from this QAM.