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In telecommunications, data transfer rate is the average number of bits ( bitrate ), characters or symbols ( baudrate ), or data blocks per unit time passing through a communication link in a data-transmission system. Common data rate units are multiples of bits per second (bit/s) and bytes per second (B/s).
The megabit is a multiple of the unit bit for digital information. The prefix mega (symbol M) is defined in the International System of Units (SI) as a multiplier of 10 6 (1 million), [1] and therefore. 1 megabit = 106 bits = 1 000 000 bits = 1000 kilobits. The megabit has the unit symbol Mbit or Mb.
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The bit rate is expressed in the unit bit per second (symbol: bit/s ), often in conjunction with an SI prefix such as kilo (1 kbit/s = 1,000 bit/s), mega (1 Mbit/s = 1,000 kbit/s), giga (1 Gbit/s = 1,000 Mbit/s) or tera (1 Tbit/s = 1,000 Gbit/s). [2]
List of interface bit rates. This is a list of interface bit rates, is a measure of information transfer rates, or digital bandwidth capacity, at which digital interfaces in a computer or network can communicate over various kinds of buses and channels.
Fast Ethernet. Intel PRO/100 Fast Ethernet NIC, a PCI card. In computer networking, Fast Ethernet physical layers carry traffic at the nominal rate of 100 Mbit/s. The prior Ethernet speed was 10 Mbit/s. Of the Fast Ethernet physical layers, 100BASE-TX is by far the most common.
50 Mbit/s downstream, 10 Mbit/s upstream —Canadian Radio-television and Telecommunications Commission (CRTC) Broadband Internet service in the United States was effectively treated or managed as a public utility by net neutrality rules [30] [31] [32] [33] [34] until being overturned by the FCC in December 2017.
For Ethernet, the bit rate at the top of the PCS is the nominal bit rate, e.g. 10 Mbit/s for classic Ethernet or 1000 Mbit/s for Gigabit Ethernet. PMA ( Physical Medium Attachment sublayer) - This sublayer performs PMA framing, octet synchronization/detection, and polynomial scrambling/descrambling.
