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A cable modem termination system ( CMTS, also called a CMTS Edge Router) [ 1] is a piece of equipment, typically located in a cable company's headend or hubsite, which is used to provide data services, such as cable Internet or Voice over IP, to cable subscribers. A CMTS provides many of the same functions provided by the DSLAM in a DSL system.
DOCSIS 2.0 added support for S-CDMA PHY, while DOCSIS 3.0 added IPv6 support and channel bonding to allow a single cable modem to use concurrently more than one upstream channel and more than one downstream channel in parallel. Virtually all cable modems operating in the field today are compliant with one of the DOCSIS versions.
3 1 × 2.5 gigabit 2 × gigabit ax , a/g/n/ac (Wi-Fi 3-5) 2.4 5.0 600 (ax) / 2400 (ax) — — — 0 1 0 • FRITZ!Box 6490 Cable Cable — 4 Gigabit b/g/n ac 2.4 5.0 450 (n) 1300 (ac) 2 Type A 0 2 1 2048 • German version only FRITZ!Box 6590 Cable Cable — 4 Gigabit b/g/n ac 2.4 5.0 800 (n) 1733 (ac) 2 Type A 0 2 1 2048 • German version ...
Softmodem. A software modem, commonly referred to as a softmodem, is a modem with minimal hardware that uses software running on the host computer, and the computer's resources (especially the central processing unit, random access memory, and sometimes audio processing ), in place of the hardware in a conventional modem.
Software versioning. Software versioning is the process of assigning either unique version names or unique version numbers to unique states of computer software. Within a given version number category (e.g., major or minor), these numbers are generally assigned in increasing order and correspond to new developments in the software.
PacketCable 1.0 comprises eleven specifications and six technical reports which define call signaling, quality of service (QoS), codec usage, client provisioning, billing event message collection, public switched telephone network (PSTN) interconnection, and security interfaces for implement a single-zone PacketCable solution for residential Internet Protocol (IP) voice services.
Satellite modem. A satellite modem or satmodem is a modem used to establish data transfers using a communications satellite as a relay. A satellite modem's main function is to transform an input bitstream to a radio signal and vice versa. There are some devices that include only a demodulator (and no modulator, thus only allowing data to be ...
v. t. e. A modulator-demodulator or most commonly referred to as modem is a computer hardware device that converts data from a digital format into a format suitable for an analog transmission medium such as telephone or radio. A modem transmits data by modulating one or more carrier wave signals to encode digital information, while the receiver ...