Cisco Headend Digital Broadband Delivery System 릴리즈 노트
Chapter 2 Site Requirements
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4035750 Rev A
Process
Length of Time
Activity
Pre-upgrade
3-4 hours
Backing up the system:
Back up the system components
Back up the DNCS and Application Server files
Complete system checks
These activities do not impact the system.
Upgrade
6-8 hours total;
2-3 of these hours
require system
outage
2-3 of these hours
require system
outage
Note: Actual time
may vary based
on the number of
devices being
upgraded.
may vary based
on the number of
devices being
upgraded.
Upgrade the DBDS network:
Back up the DNCS database
Install the DNCS and Application Server
software
software
Determine which optional features (licensed or
unlicensed) need to be enabled as a result of this
upgrade
unlicensed) need to be enabled as a result of this
upgrade
Install and download the component software
(QAM, MQAM, GQAM, and QPSK modulator)
(QAM, MQAM, GQAM, and QPSK modulator)
Reboot the hardware
Complete functional checks
QPSK modulator upgrades and some QAM and
MQAM upgrades can be completed with little or no
subscriber impact. However, 2-3 hours of the
upgrade require system outage.
MQAM upgrades can be completed with little or no
subscriber impact. However, 2-3 hours of the
upgrade require system outage.
Post-Upgrade
3-4 hours
Back up the system:
Back up the file system
Back up the DNCS database
These activities do not impact the system.
Software Configuration
Introduction
This section lists the software versions in each media kit supplied with SR 5.0.
Antecedents
This release succeeds and carries forward all of the enhancements, features, and
improvements of previous system releases and related service packs.
improvements of previous system releases and related service packs.
Software Versions
The following table lists the configuration of headend components after the upgrade
to SR 5.0.
to SR 5.0.