Cisco Headend System Release 2.5 Guia Da Instalação
78-738190-01 Rev B
SR 2.5 and SR 3.5 Post Upgrade Procedures
5-23
Reset Modulators
Introduction
The UniPack upgrade to SR 2.5 and SR 3.5 updates your QAM, MQAM, GQAM, and
GoQAM modulator code. After the upgrade, you need to reset the modulators in
order for the modulators to operate with the new code.
Note: Depending upon your upgrade scenario, you may not have to complete this
Note: Depending upon your upgrade scenario, you may not have to complete this
procedure. If your upgrade did not modify QAM, MQAM, GQAM, or GoQAM
modulator code, you can skip this procedure.
You have the following methods available when you reset modulators:
•
You have the following methods available when you reset modulators:
•
You can use the traditional method of resetting modulators through the DNCS
GUI.
•
You can rest the modulators (except the QAM modulator) through the front panel
of the modulators. The QAM modulator resets through the power switch on the
back panel.
•
You can use the new auditQam utility to reset the modulators through the
command line of the DNCS.
Which Reset Method to Use
Resetting modulators from the DNCS GUI or the front panel can be time-consuming.
If you have many modulators to reset, consider using the new auditQam utility. The
auditQam utility takes, as an argument, the IP address of the modulator that you
want to reset. While the auditQam utility script runs, engineers are free to complete
other upgrade-related tasks.
Notes:
•
Notes:
•
Instructions for resetting modulators through the DNCS GUI are found in
Resetting Modulators Through the DNCS GUI, next in this section.
•
Instructions for resetting modulators through the front panel are found in
Resetting Modulators Through the Modulator Panel, later in this section
•
Instructions for resetting modulators through the auditQam utility are found in
Resetting Modulators Through the auditQam Utility, also later in this section.
•
Appendix H, The auditQam Utility, provides detailed information about the
various options supported by the auditQam utility.