Appendix C: Glossary - NetComm NB4 User Manual

Appendix C: Glossary

Appendix C: Glossary Appendix C: Glossary
Appendix C: Glossary Appendix C: Glossary
10BASE-T
100BASE-T
ADSL
analog
ATM
authenticate
binary
bit
bps
bridging
broadband
NB4 User Guide
66
A designation for the type of wiring used by Ethernet networks
with a data rate of 10 Mbps. Also known as Category 3 (CAT 3)
wiring. See also data rate, Ethernet.
A designation for the type of wiring used by Ethernet networks
with a data rate of 100 Mbps. Also known as Category 5 (CAT 5)
wiring. See also data rate, Ethernet.
Asymmetric Digital Subscriber Line. The most commonly
deployed flavor of DSL for home users. The term asymmetrical
refers to its unequal data rates for downloading and uploading
(the download rate is higher than the upload rate). The asym-
metrical rates benefit home users because they typically
download much more data from the Internet than they upload.
Of data, having a form is analogous to the data's original
waveform. The voice component in DSL is an analog signal. See
also digital.
Asynchronous Transfer Mode A standard for high-speed
transmission of data, text, voice, and video, widely used within
the Internet. ATM data rates range from 45 Mbps to 2.5 Gbps.
See also data rate.
To verify a user's identity, such as by prompting for a password.
The "base two" system of numbers, that uses only two digits, 0
and 1, to represent all numbers. In binary, the number 1 is written
as 1, 2 as 10, 3 as 11, 4 as 100, etc. Although expressed as
decimal numbers for convenience, IP addresses in actual use are
binary numbers; e.g., the IP address 209.191.4.240 is
11010001.10111111.00000100.11110000 in binary. See also bit, IP
address, network mask.
Short for "binary digit," a bit is a number that can have two
values, 0 or 1. See also binary.
bits per second
Passing data from your network to your ISP and vice versa using
the hardware addresses of the devices at each location. Bridging
contrasts with routing, which can add more intelligence to data
transfers by using network addresses instead. The My ADSL
Modem can perform both routing and bridging. Typically, when
both functions are enabled, the device routes IP data and bridges
all other types of data. See also routing.
A telecommunications technology that can send different types
of data over the same medium. DSL is a broadband technology.
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