Cisco Model D-PCG1000 PowerKEY CAS Gateway Maintenance Manual

 

4019476 Rev C 

5 

 

To make sure that all digital channels are encrypted and that no digital channels are 

broadcast in the clear, use a TV with a QAM tuner or a digital set-top to scroll 

through your digital channels. 

 

When upgrading QAM devices to new releases of software, you must check to make 

sure that your digital channels remain encrypted. As a part of the upgrade, you must 

reset the QAM devices in order for the devices to download the new software from 

the DNCS. When the software download is complete, the DNCS then recreates any 

broadcast sessions that were active on the QAM devices. The DNCS also activates 

encryption for any secure services that were running on the QAM devices. 
An increasing number of TVs are being manufactured and sold with QAM tuners 

that can access services that are not properly encrypted. Therefore, as a part of the 

upgrade process, we encourage you to verify that the DNCS re-establishes 

encryption for all secure services on the upgraded QAM devices. This extra step 

ensures that no QAM device that may be carrying content inappropriate for children 

can be viewed inadvertently when using a TV that is equipped with a QAM tuner.