DOCSIS 3.0 RJ45 Port Coaxial Cable Modem DB-CM301

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Product Detail

Overview

DOCSIS system include CMTS(Headend cable network ) and CM(user end).The main function of DOCSIS Cable Modem system is transparently transmitting IP packets between the front end and the user end.  

Technical principle

After the Modem Cable power, the downlink frequency of the front end is automatically searched, and the downstream frequency is found, the uplink channel is determined from the downlink data.CMTS is connected with the front-end device, and exchange information, including the upstream level, the Dynamic Host Configuration Protocol (DHCP) and the IP address of the small file transfer protocol (TFTP) server, etc.Modem Cable has online features, even if the user does not use, as long as the power is not cut off, and the front end always to maintain the exchange of information, the user can always on-line.

Cable moderm has memory function, when the power is powered up, the data before the power storage are exchanged with the front data , and can quickly complete the search process.


Features

?The definition is according to CDOCSIS standard, meet europe DOCSIS 3.0/DOCSIS 3.0

?10/100/1000RJ45 ethernet adaptive port, advanced firewall and 802.11n wireless access

?Downstream is 8 frequency points, upstream is 4 frequency points

?Downstream frequency is 108MHz to 1000MHz,64QAM,256QAM and 1024QAM

?Upstream frequency is 5 to 65MHz, QPSK,8/16/32/64/128/256QAM


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