User`s guide

Glossary
D-7
downstream from another station if it receives the token or data
after the other station receives the token or data.
dual homing
A method of connecting concentrators and stations that permits an
alternate or backup path to the dual ring in case the primary
connection fails.
dynamic address
An address “learned” by the bridge as opposed to addresses that
are manually entered into the bridge's address table. The bridge
“learns” addresses by reading them from the data packets it
processes.
EIA (Electronic Industries Association)
Organization that sets standards for electrical interfaces
(connectors).
encapsulation
A method for moving messages across networks that use different
types of protocols. The message is encapsulated (rather than
translated) so it can move across a network that otherwise could
not understand its protocol. Encapsulating bridges generally use
proprietary encapsulation schemes.
encode
To translate data into a series of electrical or optical pulses that can
travel efficiently over a cable or other medium.