Cisco Headend Digital Broadband Delivery System Installation Guide
October 2003
QPSK (Release A63) Software Upgrade
and Installation Instructions
and Installation Instructions
Overview
Introduction
These upgrade and installation instructions provide you with the following
information:
information:
An overview of the QPSK A63 software upgrade
Guidelines that define how and when to monitor Explorer
®
Digital Home
Communications Terminals (DHCTs) sign on rates
A description of the optional QPSK range extension features which allow DHCTs
to sign on to the system and operate at extended distances from the headend
to sign on to the system and operate at extended distances from the headend
What’s New in QPSK A63 Software?
QPSK A63 software builds upon the features and benefits introduced in previous
QPSK software releases. The QPSK A63 software also resolves several QPSK and
DHCT spontaneous reboot issues.
QPSK software releases. The QPSK A63 software also resolves several QPSK and
DHCT spontaneous reboot issues.
Read Me
Please read all instructions before beginning the upgrade process. If you are
uncomfortable with any of the procedures presented in these instructions, contact
Cisco Services for assistance.
uncomfortable with any of the procedures presented in these instructions, contact
Cisco Services for assistance.
Important: Look for this safety symbol throughout these instructions:
. Pay
particular attention to safety statements. Complete all of the procedures in the order
in which they are presented in these instructions. Failure to follow all of the
procedures may lead to undesirable results.
in which they are presented in these instructions. Failure to follow all of the
procedures may lead to undesirable results.