| http://www.w3.org/ns/prov#value | - Consequently, during a subsequent data communication, the cable modem 210 a can pick up the down stream frequency assigned to itself using the cached down stream frequency within several tens seconds. [0012] There may be a case where the connection between cable modem 201 a and the CATV cable 202 is disconnected for some reason, such as unplugged in error, during the operation of the cable modem 2
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