Cisco Headend System Release 2.7 User Guide
Chapter 1 General Tips
16
4022446 Rev B
If these alarms are occurring frequently and consistently, follow the recommended
check and correct procedures for these alarms. See Monitoring SDV Alarms (on page
27). You can also do one or more of the following:
check and correct procedures for these alarms. See Monitoring SDV Alarms (on page
27). You can also do one or more of the following:
Add bandwidth to the SDV service group
Split your SDV service groups to decrease the number of DHCTs in the service
group
group
If the number of subscribers viewing a program is consistently greater than 1,
consider making the program a broadcast program
consider making the program a broadcast program
Add QAM carriers to the affected service group
Checking SDV Service Groups
The sgmParse.pl Utility
The sgmParse.pl utility can be used to read the service group map file. Service group
map files contain all of the frequencies, transport stream identifiers (TSIDs), and
modulation types that are assigned to a service group on gigabit quadrature
amplitude modulation (GQAM) and multiple QAM (MQAM) modulators.
map files contain all of the frequencies, transport stream identifiers (TSIDs), and
modulation types that are assigned to a service group on gigabit quadrature
amplitude modulation (GQAM) and multiple QAM (MQAM) modulators.
Complete the following steps to run the sgmParse.pl utility.
1 If necessary, open an xterm window on the DNCS.
2 Type cd /dvs/dvsFiles/SGM and then press Enter.
1 If necessary, open an xterm window on the DNCS.
2 Type cd /dvs/dvsFiles/SGM and then press Enter.
Important: Make sure you type a space before typing /dvs.
3 Type ls and then press Enter to list the service group map files.
Example: The following sample output shows the list of SGM files:
core sdb sdv servicegroupmap.dat
core sdb sdv servicegroupmap.dat
4 Type sgmParse.pl <service group map file name> and then press Enter.
Example: The following sample output shows the contents of the service group map
file.
file.