Cisco Headend Digital Broadband Delivery System Release Notes
Chapter 2 Upgrading the Software
20
4002628 Rev B
Download Software to the GoQAM Modulators
Introduction
To download the new software to GoQAMs, you must first reset (reboot) the
modulators using one of the following methods:
modulators using one of the following methods:
DNCS GUI
auditQam utility
Front panel of the GoQAM
CAUTION:
All active sessions on the GoQAM will be interrupted when the modulator is
reset. DHCTs downstream of the modulator will lose their ability to display
services until sessions are reestablished.
All active sessions on the GoQAM will be interrupted when the modulator is
reset. DHCTs downstream of the modulator will lose their ability to display
services until sessions are reestablished.
Important! Use the procedure for Preparing to Monitor Remote GoQAM Resets (on
page 20) when resetting GoQAMs from the DNCS GUI or when using an auditQam
script to reset multiple GoQAMs.
page 20) when resetting GoQAMs from the DNCS GUI or when using an auditQam
script to reset multiple GoQAMs.
After the modulators reset, the software is downloaded from the DNCS to the
modulators and existing sessions are reestablished.
modulators and existing sessions are reestablished.
Choose a Reset Method
Choose one of the following methods to reset your GoQAMs:
To reset modulators through the DNCS GUI, go to Preparing to Monitor Remote
GoQAM Resets (on page 20).
GoQAM Resets (on page 20).
To reset modulators using the auditQam utility, go to Preparing to Monitor
Remote GoQAM Resets (on page 20).
Remote GoQAM Resets (on page 20).
To reset modulators through the front panel, go to Physically Resetting the
GoQAM Modulator (on page 25).
GoQAM Modulator (on page 25).
Note: Resetting GoQAMs from the DNCS GUI or from the front panel can be time-
consuming. If you have a number of modulators to reset, consider using the
auditQam utility.
consuming. If you have a number of modulators to reset, consider using the
auditQam utility.
Preparing to Monitor Remote GoQAM Resets
1 From the xterm window, type cd /dvs/dncs/tmp and press Enter to access the
TMP directory.
2 Type ls -ltr boot* and press Enter. A list of files starting with "boot" appears in
the xterm window.