All of the devices used in this document started with a cleared (default) configuration. The information presented in this document was created from devices in a specific lab environment. The components used to create this document are not specific to any particular platform but limited to Cisco DOCSIS compliant CMs and qualified CM Termination System (CMTS).

The information in this document is based on the software and hardware versions below. Readers of this document should be knowledgeable of the following:ĭynamic Host Configuration Protocol (DHCP) and Data-over-Cable Service Interface Specifications (DOCSIS) 1.0 protocols. Before You Begin Conventionsįor more information on document conventions, see the Cisco Technical Tips Conventions.

The CM cards provide the interface between the Cisco uBR7200 series Peripheral Component Interconnect (PCI) bus and the Radio Frequency (RF) signal on the HFC network. Cisco Cable Modem (CM) cards allow you to connect CMs on the Hybrid Fiber Coaxial (HFC) network to a Cisco uBR7200 series in a Cable Television (CATV) headend facility.