Cisco Headend Digital Broadband Delivery System
1-8
Why Choose System Release 4.0?
4001703 Rev B
DSG: New DOCSIS Option Can Consolidate Administration of the Data Network,
Continued
DOCSIS Added as a DCM Option
The DHCT Communication Mode (DCM) tells each set-top which mode to operate
in to receive OOB data and to receive and send unicast data. In addition to the
existing DAVIC and Mixed DAVIC/DOCSIS DCM options, SR 4.0 adds a new
DOCSIS DCM option.
For a QPSK modulator, the new DOCSIS DCM option appears in the DCM list on the
For a QPSK modulator, the new DOCSIS DCM option appears in the DCM list on the
Set Up QPSK Modulator window.
For a CMTS, the DOCSIS option appears in the DCM list on the Set Up CMTS Bridge
window.