Installation Guide

4002804 Rev C QPSK (Release A63) Software Upgrade and Installation Instructions 5
About This Upgrade
Introduction
Several changes (features and improvements) are introduced in the QPSK A63
software and other changes are currently in development. This section provides brief
descriptions of the change requests (CRs) implemented in the QPSK A63 software,
the CRs currently in development, and the impact of each CR on the subscriber or
the cable service provider.
Features and Improvements Introduced in QPSK A63
The following CRs were implemented to resolve several QPSK and DHCT
spontaneous reboot issues.
CR Number
Subscriber
Cable Service Provider Impact
9035
No impact
If a QPSK modulator is set to use
extended ranging and then
QPSK A47 or earlier is
downloaded, the extended range
distance is kept in memory.
When QPSK A5x or later is
installed, the extended range
mode is enabled correctly.
9441,
9589
No impact
The QPSK modulator maintains
DHCT information when the
QPSK modulator reboots with
several DHCTs in two-way
mode. This fix enhances the
stability of the system.
10012
No impact
Craft port commands that
exceed the maximum of eight
arguments (including the
command itself) are truncated to
eight arguments to avoid an
Address Error and a QPSK
reboot.
10816
No impact
The QPSK modulator issues an
alarm to alert the DNCS of non-
responsive demodulators.