Cisco Model D-PCG1000 PowerKEY CAS Gateway Guide De Montage

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February 2005 
QPSK (Release C70) Software 
Upgrade and Installation Instructions  
Overview 
Introduction 
These upgrade and installation instructions provide you with the following 
information: 
 
An overview of what’s new in the QPSK C70 software upgrade, including features 
introduced since QPSK A62  
 
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 
Who Should Upgrade to QPSK C70 Software? 
All sites should upgrade to the C70 version of QPSK modulator software. If you 
have any questions regarding the compatibility of QPSK C70 with your current 
system release, call Cisco Services before installing the QPSK C70 software.  
Read Me 
Important: Please read this entire guide. If this guide provides installation or 
operation instructions, give particular attention to all safety statements included in 
this guide.