摘要:
Disclosed are a cable modem and a data receiving method thereof. The cable modem includes a downlink channel retrieval processing unit to retrieve a downlink channel, receive an entire channel information message through the retrieved downlink channel, and receive a broadcasting supplementary data message when the entire information message is valid; a channel information processing unit to receive broadcasting supplementary data using the broadcasting supplementary data message; an uplink channel retrieval processing unit to retrieve an uplink channel using the entire channel information message; and a channel information managing unit to store and manage main data receiving channels capable of receiving the entire channel information message and the broadcasting supplementary data.
摘要:
Disclosed are a system and method for monitoring a headend cable modem on a digital cable network, which may monitor a headend cable modem using a configuration management message capable of controlling the headend cable modem. The system includes a message header unit for monitoring the headend cable modem by exchanging a configuration management message including configuration information for controlling channel boding of the headend cable modem and state information of the configuration information with the headend cable modem; and a message varying unit including the configuration information corresponding to the message type information and the state information.