Cisco Headend Digital Broadband Delivery System
Contents
iv
4003389 Rev B
Backing Up the Current QAM Configuration File ............................................... 14
Install QAM Software onto the DNCS ................................................................................ 16
Introduction ............................................................................................................... 16
Installing the QAM Software from a CD ............................................................... 16
Installing the QAM Software From Cisco‟s FTP Server ...................................... 17
Establish a Download Sequence .......................................................................................... 20
Introduction ............................................................................................................... 20
Establishing a Sequence for Downloading QAM Software onto Each
QAM Modulator .................................................................................................... 20
What‟s Next? ............................................................................................................. 21
Resetting QAM Modulators Through the auditQam Utility .............................. 26
Resetting the QAM Modulator from the Back Panel ........................................... 28
Verifying the Functionality of QAM Modulators That Carry Broadcast
Sessions ................................................................................................................... 29
Verifying the Functionality of QAM Modulators That Carry xOD or
VOD Sessions ......................................................................................................... 30
Chapter 3 Customer Information
31
Appendix A Roll Back to the Previous Version of QAM Software 33
Restore the Previous Version of QAM Software ............................................................... 34
Introduction ............................................................................................................... 34
Restoring the Previous QAM Software Version ................................................... 34