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Configuration: Basic Gateway TCP/IP Wireless USB
C
CableHome A project of CableLabs and technology suppliers to develop interface specifications for extending
CableLabs A research consortium that defines the interface requirements for cable modems and acknowledges that tested equipment complies with DOCSIS.
cable modem A device installed at a subscriber location to provide data communications over an HFC network. Unless otherwise specified, all references to “cable modem” in this documentation refers to DOCSIS or
cable modem File containing operational parameters that a cable modem or gateway downloads from the cable configuration provider TFTP server during registration.
file
Class C network An IP network containing up to 253 hosts. Class C IP addresses are in the form “network.network.network.host.”
client | In a client/server architecture, a client is a computer that requests files or services such as file transfer, |
| remote login, or printing from the server. Also called a CPE. |
| On a WLAN, a client is any host that can communicate with the access point. A wireless client is also |
| called a “station.” |
CMTS | A cable modem termination system is a device in the cable system headend that interfaces the HFC |
| network to local or remote IP networks to connecting IP hosts, cable modems or gateways, and |
| subscribers. It manages all cable modem bandwidth. It is sometimes called an edge router. |
CNR | carrier to noise ratio |
coaxial cable | A type of cable consisting of a center wire surrounded by insulation and a grounded shield of braided |
(coax) | wire. The shield minimizes electrical and radio frequency interference. Coaxial cable has high |
| bandwidth and can support transmission over long distances. |
CoS | Class of service traffic management or scheduling functions are performed when transferring data |
| upstream or downstream on HFC. |
CPE | Customer premise equipment, typically computers, printers, etc., are connected to the cable modem |
| or gateway at the subscriber location. CPE can be provided by the subscriber or the cable provider. |
| Also called a client. |
crosstalk | Undesired signal interfering with the desired signal. |
CSMA/CD | carrier sense multiple access with collision detection |
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