Cisco Headend Digital Broadband Delivery System Guia Da Instalação
Download Software to the MQAM Modulators
4023372 Rev B
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Download Software to the MQAM Modulators
Introduction
To download the new software to MQAMs, you must first reset (reboot) the
modulators using one of the following methods:
DNCS GUI
auditQam utility
Front panel of the MQAM
CAUTION:
All active sessions on the MQAM will be interrupted when the modulator is
All active sessions on the MQAM 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 MQAM Resets
(on page 24) when resetting MQAMs from the DNCS GUI or when using an
auditQam script to reset multiple MQAMs.
After the modulators reset, the software is downloaded from the DNCS to the
After the modulators reset, the software is downloaded from the DNCS to the
modulators and existing sessions are reestablished.
Choose a Reset Method
Choose one of the following methods to reset your MQAMs:
To reset modulators through the DNCS GUI, go to Preparing to Monitor Remote
MQAM Resets (on page 24).
To reset modulators using the auditQam utility, go to Preparing to Monitor
Remote MQAM Resets (on page 24).
To reset modulators through the front panel, go to Physically Resetting the
MQAM Modulator (on page 28).
Note: Resetting MQAMs 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.