Motorola SBG-940 User Guide - Page 123
bandwidth, Baseline, Privacy, binary, bit rate, bridge, broadband, broadcast
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B bandwidth Baseline Privacy baud BCP BER binary bit rate BPKM bps bridge broadband broadcast Overview Installation Troubleshooting Contact FAQ Specifications Glossary License Configuration: Basic Gateway TCP/IP Wireless USB The transmission capacity of a medium in terms of a range of frequencies. Greater bandwidth indicates the ability to transmit more data over a given period of time. An optional feature that encrypts data between the CMTS and the cable modem or gateway. Protection of service is provided by ensuring that a cable modem or gateway, uniquely identified by its MAC address, can only obtain keys for services it is authorized to access. The analog signaling rate. For complex modulation modes, the digital bit rate is encoded in multiple bits per baud, for example, 64 QAM encodes 6 bits per baud and 16 QAM encodes 4 bits per baud. Binary Communication Protocol The bit error rate is the ratio of the number of erroneous bits or characters received from some fixed number of bits transmitted. A numbering system that uses two digits, 0 and 1. The number of bits (digital 0s and 1s) transmitted per second in a communications channel. It is usually measured in bits per second bps. Baseline Protocol Key Management encrypts data flows between a cable modem or gateway and the CMTS. The encryption occurs after the cable modem or gateway registers to ensure data privacy across the RF network. bits per second An OSI layer 2 networking device that connects two LANs using similar protocols. It filters frames based on the MAC address to reduce the amount of traffic. A bridge can be placed between two groups of hosts that communicate a lot together, but not so much with the hosts in the other group. The bridge examines the destination of each packet to determine whether to transmit it to the other side. See also switch. High bandwidth network technology that multiplexes multiple, independent carriers to carry voice, video, data, and other interactive services over a single cable. A communications medium that can transmit a relatively large amount of data in a given time period. A frequently used synonym for cable TV that can describe any technology capable of delivering multiple channels and services. Simultaneous transmission to multiple network devices; a protocol mechanism supporting group and universal addressing. See also multicast and unicast. SBG940 User Guide 115